19277580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 64350720

約数和(自身を除く): 45073140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 79, 83, 84, 98, 105, 140, 147, 158, 166, 196, 210, 237, 245, 249, 294, 316, 332, 395, 415, 420, 474, 490, 498, 553, 581, 588, 735, 790, 830, 948, 980, 996, 1106, 1162, 1185, 1245, 1470, 1580, 1659, 1660, 1743, 2212, 2324, 2370, 2490, 2765, 2905, 2940, 3318, 3486, 3871, 4067, 4740, 4980, 5530, 5810, 6557, 6636, 6972, 7742, 8134, 8295, 8715, 11060, 11613, 11620, 12201, 13114, 15484, 16268, 16590, 17430, 19355, 19671, 20335, 23226, 24402, 26228, 32785, 33180, 34860, 38710, 39342, 40670, 45899, 46452, 48804, 58065, 61005, 65570, 77420, 78684, 81340, 91798, 98355, 116130, 122010, 131140, 137697, 183596, 196710, 229495, 232260, 244020, 275394, 321293, 393420, 458990, 550788, 642586, 688485, 917980, 963879, 1285172, 1376970, 1606465, 1927758, 2753940, 3212930, 3855516, 4819395, 6425860, 9638790, 19277580]

約数ペア:

[(1, 19277580), (2, 9638790), (3, 6425860), (4, 4819395), (5, 3855516), (6, 3212930), (7, 2753940), (10, 1927758), (12, 1606465), (14, 1376970), (15, 1285172), (20, 963879), (21, 917980), (28, 688485), (30, 642586), (35, 550788), (42, 458990), (49, 393420), (60, 321293), (70, 275394), (79, 244020), (83, 232260), (84, 229495), (98, 196710), (105, 183596), (140, 137697), (147, 131140), (158, 122010), (166, 116130), (196, 98355), (210, 91798), (237, 81340), (245, 78684), (249, 77420), (294, 65570), (316, 61005), (332, 58065), (395, 48804), (415, 46452), (420, 45899), (474, 40670), (490, 39342), (498, 38710), (553, 34860), (581, 33180), (588, 32785), (735, 26228), (790, 24402), (830, 23226), (948, 20335), (980, 19671), (996, 19355), (1106, 17430), (1162, 16590), (1185, 16268), (1245, 15484), (1470, 13114), (1580, 12201), (1659, 11620), (1660, 11613), (1743, 11060), (2212, 8715), (2324, 8295), (2370, 8134), (2490, 7742), (2765, 6972), (2905, 6636), (2940, 6557), (3318, 5810), (3486, 5530), (3871, 4980), (4067, 4740)]