18118368

素因数分解:

$2^5\times 3^2\times {\mathrm{53}}^1\times {\mathrm{1187}}^1$

素因数の和:1256

約数の個数: 72

約数和(自身を含む): 52540488

約数和(自身を除く): 34422120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 72, 96, 106, 144, 159, 212, 288, 318, 424, 477, 636, 848, 954, 1187, 1272, 1696, 1908, 2374, 2544, 3561, 3816, 4748, 5088, 7122, 7632, 9496, 10683, 14244, 15264, 18992, 21366, 28488, 37984, 42732, 56976, 62911, 85464, 113952, 125822, 170928, 188733, 251644, 341856, 377466, 503288, 566199, 754932, 1006576, 1132398, 1509864, 2013152, 2264796, 3019728, 4529592, 6039456, 9059184, 18118368]

約数ペア:

[(1, 18118368), (2, 9059184), (3, 6039456), (4, 4529592), (6, 3019728), (8, 2264796), (9, 2013152), (12, 1509864), (16, 1132398), (18, 1006576), (24, 754932), (32, 566199), (36, 503288), (48, 377466), (53, 341856), (72, 251644), (96, 188733), (106, 170928), (144, 125822), (159, 113952), (212, 85464), (288, 62911), (318, 56976), (424, 42732), (477, 37984), (636, 28488), (848, 21366), (954, 18992), (1187, 15264), (1272, 14244), (1696, 10683), (1908, 9496), (2374, 7632), (2544, 7122), (3561, 5088), (3816, 4748)]