18387684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 53621568

約数和(自身を除く): 35233884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 131, 252, 262, 393, 524, 557, 786, 917, 1114, 1179, 1572, 1671, 1834, 2228, 2358, 2751, 3342, 3668, 3899, 4716, 5013, 5502, 6684, 7798, 8253, 10026, 11004, 11697, 15596, 16506, 20052, 23394, 33012, 35091, 46788, 70182, 72967, 140364, 145934, 218901, 291868, 437802, 510769, 656703, 875604, 1021538, 1313406, 1532307, 2043076, 2626812, 3064614, 4596921, 6129228, 9193842, 18387684]

約数ペア:

[(1, 18387684), (2, 9193842), (3, 6129228), (4, 4596921), (6, 3064614), (7, 2626812), (9, 2043076), (12, 1532307), (14, 1313406), (18, 1021538), (21, 875604), (28, 656703), (36, 510769), (42, 437802), (63, 291868), (84, 218901), (126, 145934), (131, 140364), (252, 72967), (262, 70182), (393, 46788), (524, 35091), (557, 33012), (786, 23394), (917, 20052), (1114, 16506), (1179, 15596), (1572, 11697), (1671, 11004), (1834, 10026), (2228, 8253), (2358, 7798), (2751, 6684), (3342, 5502), (3668, 5013), (3899, 4716)]