19661460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{277}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 68374656

約数和(自身を除く): 48713196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 277, 338, 364, 390, 420, 455, 507, 546, 554, 676, 780, 831, 845, 910, 1014, 1092, 1108, 1183, 1365, 1385, 1662, 1690, 1820, 1939, 2028, 2366, 2535, 2730, 2770, 3324, 3380, 3549, 3601, 3878, 4155, 4732, 5070, 5460, 5540, 5817, 5915, 7098, 7202, 7756, 8310, 9695, 10140, 10803, 11634, 11830, 14196, 14404, 16620, 17745, 18005, 19390, 21606, 23268, 23660, 25207, 29085, 35490, 36010, 38780, 43212, 46813, 50414, 54015, 58170, 70980, 72020, 75621, 93626, 100828, 108030, 116340, 126035, 140439, 151242, 187252, 216060, 234065, 252070, 280878, 302484, 327691, 378105, 468130, 504140, 561756, 655382, 702195, 756210, 936260, 983073, 1310764, 1404390, 1512420, 1638455, 1966146, 2808780, 3276910, 3932292, 4915365, 6553820, 9830730, 19661460]

約数ペア:

[(1, 19661460), (2, 9830730), (3, 6553820), (4, 4915365), (5, 3932292), (6, 3276910), (7, 2808780), (10, 1966146), (12, 1638455), (13, 1512420), (14, 1404390), (15, 1310764), (20, 983073), (21, 936260), (26, 756210), (28, 702195), (30, 655382), (35, 561756), (39, 504140), (42, 468130), (52, 378105), (60, 327691), (65, 302484), (70, 280878), (78, 252070), (84, 234065), (91, 216060), (105, 187252), (130, 151242), (140, 140439), (156, 126035), (169, 116340), (182, 108030), (195, 100828), (210, 93626), (260, 75621), (273, 72020), (277, 70980), (338, 58170), (364, 54015), (390, 50414), (420, 46813), (455, 43212), (507, 38780), (546, 36010), (554, 35490), (676, 29085), (780, 25207), (831, 23660), (845, 23268), (910, 21606), (1014, 19390), (1092, 18005), (1108, 17745), (1183, 16620), (1365, 14404), (1385, 14196), (1662, 11830), (1690, 11634), (1820, 10803), (1939, 10140), (2028, 9695), (2366, 8310), (2535, 7756), (2730, 7202), (2770, 7098), (3324, 5915), (3380, 5817), (3549, 5540), (3601, 5460), (3878, 5070), (4155, 4732)]