18218328

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 48107520

約数和(自身を除く): 29889192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 47, 62, 93, 94, 124, 141, 186, 188, 248, 282, 372, 376, 521, 564, 744, 1042, 1128, 1457, 1563, 2084, 2914, 3126, 4168, 4371, 5828, 6252, 8742, 11656, 12504, 16151, 17484, 24487, 32302, 34968, 48453, 48974, 64604, 73461, 96906, 97948, 129208, 146922, 193812, 195896, 293844, 387624, 587688, 759097, 1518194, 2277291, 3036388, 4554582, 6072776, 9109164, 18218328]

約数ペア:

[(1, 18218328), (2, 9109164), (3, 6072776), (4, 4554582), (6, 3036388), (8, 2277291), (12, 1518194), (24, 759097), (31, 587688), (47, 387624), (62, 293844), (93, 195896), (94, 193812), (124, 146922), (141, 129208), (186, 97948), (188, 96906), (248, 73461), (282, 64604), (372, 48974), (376, 48453), (521, 34968), (564, 32302), (744, 24487), (1042, 17484), (1128, 16151), (1457, 12504), (1563, 11656), (2084, 8742), (2914, 6252), (3126, 5828), (4168, 4371)]