18996424040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{170647}}^1$

素因数の和:170703

約数の個数: 96

約数和(自身を含む): 49023757440

約数和(自身を除く): 30027333400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 121, 184, 220, 230, 242, 253, 440, 460, 484, 506, 605, 920, 968, 1012, 1210, 1265, 2024, 2420, 2530, 2783, 4840, 5060, 5566, 10120, 11132, 13915, 22264, 27830, 55660, 111320, 170647, 341294, 682588, 853235, 1365176, 1706470, 1877117, 3412940, 3754234, 3924881, 6825880, 7508468, 7849762, 9385585, 15016936, 15699524, 18771170, 19624405, 20648287, 31399048, 37542340, 39248810, 41296574, 43173691, 75084680, 78497620, 82593148, 86347382, 103241435, 156995240, 165186296, 172694764, 206482870, 215868455, 345389528, 412965740, 431736910, 474910601, 825931480, 863473820, 949821202, 1726947640, 1899642404, 2374553005, 3799284808, 4749106010, 9498212020, 18996424040]

約数ペア:

[(1, 18996424040), (2, 9498212020), (4, 4749106010), (5, 3799284808), (8, 2374553005), (10, 1899642404), (11, 1726947640), (20, 949821202), (22, 863473820), (23, 825931480), (40, 474910601), (44, 431736910), (46, 412965740), (55, 345389528), (88, 215868455), (92, 206482870), (110, 172694764), (115, 165186296), (121, 156995240), (184, 103241435), (220, 86347382), (230, 82593148), (242, 78497620), (253, 75084680), (440, 43173691), (460, 41296574), (484, 39248810), (506, 37542340), (605, 31399048), (920, 20648287), (968, 19624405), (1012, 18771170), (1210, 15699524), (1265, 15016936), (2024, 9385585), (2420, 7849762), (2530, 7508468), (2783, 6825880), (4840, 3924881), (5060, 3754234), (5566, 3412940), (10120, 1877117), (11132, 1706470), (13915, 1365176), (22264, 853235), (27830, 682588), (55660, 341294), (111320, 170647)]