18776940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:232

約数の個数: 192

約数和(自身を含む): 68490240

約数和(自身を除く): 49713300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 26, 28, 30, 35, 38, 39, 42, 52, 57, 60, 65, 70, 76, 78, 84, 91, 95, 105, 114, 130, 133, 140, 156, 181, 182, 190, 195, 210, 228, 247, 260, 266, 273, 285, 362, 364, 380, 390, 399, 420, 455, 494, 532, 543, 546, 570, 665, 724, 741, 780, 798, 905, 910, 988, 1086, 1092, 1140, 1235, 1267, 1330, 1365, 1482, 1596, 1729, 1810, 1820, 1995, 2172, 2353, 2470, 2534, 2660, 2715, 2730, 2964, 3439, 3458, 3620, 3705, 3801, 3990, 4706, 4940, 5068, 5187, 5430, 5460, 6335, 6878, 6916, 7059, 7410, 7602, 7980, 8645, 9412, 10317, 10374, 10860, 11765, 12670, 13756, 14118, 14820, 15204, 16471, 17195, 17290, 19005, 20634, 20748, 23530, 24073, 25340, 25935, 28236, 32942, 34390, 34580, 35295, 38010, 41268, 44707, 47060, 48146, 49413, 51585, 51870, 65884, 68780, 70590, 72219, 76020, 82355, 89414, 96292, 98826, 103170, 103740, 120365, 134121, 141180, 144438, 164710, 178828, 197652, 206340, 223535, 240730, 247065, 268242, 288876, 312949, 329420, 361095, 447070, 481460, 494130, 536484, 625898, 670605, 722190, 894140, 938847, 988260, 1251796, 1341210, 1444380, 1564745, 1877694, 2682420, 3129490, 3755388, 4694235, 6258980, 9388470, 18776940]

約数ペア:

[(1, 18776940), (2, 9388470), (3, 6258980), (4, 4694235), (5, 3755388), (6, 3129490), (7, 2682420), (10, 1877694), (12, 1564745), (13, 1444380), (14, 1341210), (15, 1251796), (19, 988260), (20, 938847), (21, 894140), (26, 722190), (28, 670605), (30, 625898), (35, 536484), (38, 494130), (39, 481460), (42, 447070), (52, 361095), (57, 329420), (60, 312949), (65, 288876), (70, 268242), (76, 247065), (78, 240730), (84, 223535), (91, 206340), (95, 197652), (105, 178828), (114, 164710), (130, 144438), (133, 141180), (140, 134121), (156, 120365), (181, 103740), (182, 103170), (190, 98826), (195, 96292), (210, 89414), (228, 82355), (247, 76020), (260, 72219), (266, 70590), (273, 68780), (285, 65884), (362, 51870), (364, 51585), (380, 49413), (390, 48146), (399, 47060), (420, 44707), (455, 41268), (494, 38010), (532, 35295), (543, 34580), (546, 34390), (570, 32942), (665, 28236), (724, 25935), (741, 25340), (780, 24073), (798, 23530), (905, 20748), (910, 20634), (988, 19005), (1086, 17290), (1092, 17195), (1140, 16471), (1235, 15204), (1267, 14820), (1330, 14118), (1365, 13756), (1482, 12670), (1596, 11765), (1729, 10860), (1810, 10374), (1820, 10317), (1995, 9412), (2172, 8645), (2353, 7980), (2470, 7602), (2534, 7410), (2660, 7059), (2715, 6916), (2730, 6878), (2964, 6335), (3439, 5460), (3458, 5430), (3620, 5187), (3705, 5068), (3801, 4940), (3990, 4706)]