18178524

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 58705920

約数和(自身を除く): 40527396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 31, 36, 39, 42, 52, 62, 63, 78, 84, 91, 93, 117, 124, 126, 156, 179, 182, 186, 217, 234, 252, 273, 279, 358, 364, 372, 403, 434, 468, 537, 546, 558, 651, 716, 806, 819, 868, 1074, 1092, 1116, 1209, 1253, 1302, 1611, 1612, 1638, 1953, 2148, 2327, 2418, 2506, 2604, 2821, 3222, 3276, 3627, 3759, 3906, 4654, 4836, 5012, 5549, 5642, 6444, 6981, 7254, 7518, 7812, 8463, 9308, 11098, 11277, 11284, 13962, 14508, 15036, 16289, 16647, 16926, 20943, 22196, 22554, 25389, 27924, 32578, 33294, 33852, 38843, 41886, 45108, 48867, 49941, 50778, 65156, 66588, 72137, 77686, 83772, 97734, 99882, 101556, 116529, 144274, 146601, 155372, 195468, 199764, 216411, 233058, 288548, 293202, 349587, 432822, 466116, 504959, 586404, 649233, 699174, 865644, 1009918, 1298466, 1398348, 1514877, 2019836, 2596932, 3029754, 4544631, 6059508, 9089262, 18178524]

約数ペア:

[(1, 18178524), (2, 9089262), (3, 6059508), (4, 4544631), (6, 3029754), (7, 2596932), (9, 2019836), (12, 1514877), (13, 1398348), (14, 1298466), (18, 1009918), (21, 865644), (26, 699174), (28, 649233), (31, 586404), (36, 504959), (39, 466116), (42, 432822), (52, 349587), (62, 293202), (63, 288548), (78, 233058), (84, 216411), (91, 199764), (93, 195468), (117, 155372), (124, 146601), (126, 144274), (156, 116529), (179, 101556), (182, 99882), (186, 97734), (217, 83772), (234, 77686), (252, 72137), (273, 66588), (279, 65156), (358, 50778), (364, 49941), (372, 48867), (403, 45108), (434, 41886), (468, 38843), (537, 33852), (546, 33294), (558, 32578), (651, 27924), (716, 25389), (806, 22554), (819, 22196), (868, 20943), (1074, 16926), (1092, 16647), (1116, 16289), (1209, 15036), (1253, 14508), (1302, 13962), (1611, 11284), (1612, 11277), (1638, 11098), (1953, 9308), (2148, 8463), (2327, 7812), (2418, 7518), (2506, 7254), (2604, 6981), (2821, 6444), (3222, 5642), (3276, 5549), (3627, 5012), (3759, 4836), (3906, 4654)]