18064540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 44622144

約数和(自身を除く): 26557604

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 61, 65, 67, 68, 85, 122, 130, 134, 170, 221, 244, 260, 268, 305, 335, 340, 442, 610, 670, 793, 871, 884, 1037, 1105, 1139, 1220, 1340, 1586, 1742, 2074, 2210, 2278, 3172, 3484, 3965, 4087, 4148, 4355, 4420, 4556, 5185, 5695, 7930, 8174, 8710, 10370, 11390, 13481, 14807, 15860, 16348, 17420, 20435, 20740, 22780, 26962, 29614, 40870, 53131, 53924, 59228, 67405, 69479, 74035, 81740, 106262, 134810, 138958, 148070, 212524, 265655, 269620, 277916, 296140, 347395, 531310, 694790, 903227, 1062620, 1389580, 1806454, 3612908, 4516135, 9032270, 18064540]

約数ペア:

[(1, 18064540), (2, 9032270), (4, 4516135), (5, 3612908), (10, 1806454), (13, 1389580), (17, 1062620), (20, 903227), (26, 694790), (34, 531310), (52, 347395), (61, 296140), (65, 277916), (67, 269620), (68, 265655), (85, 212524), (122, 148070), (130, 138958), (134, 134810), (170, 106262), (221, 81740), (244, 74035), (260, 69479), (268, 67405), (305, 59228), (335, 53924), (340, 53131), (442, 40870), (610, 29614), (670, 26962), (793, 22780), (871, 20740), (884, 20435), (1037, 17420), (1105, 16348), (1139, 15860), (1220, 14807), (1340, 13481), (1586, 11390), (1742, 10370), (2074, 8710), (2210, 8174), (2278, 7930), (3172, 5695), (3484, 5185), (3965, 4556), (4087, 4420), (4148, 4355)]