19757460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 96

約数和(自身を含む): 58705920

約数和(自身を除く): 38948460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 103, 115, 138, 139, 206, 230, 276, 278, 309, 345, 412, 417, 460, 515, 556, 618, 690, 695, 834, 1030, 1236, 1380, 1390, 1545, 1668, 2060, 2085, 2369, 2780, 3090, 3197, 4170, 4738, 6180, 6394, 7107, 8340, 9476, 9591, 11845, 12788, 14214, 14317, 15985, 19182, 23690, 28428, 28634, 31970, 35535, 38364, 42951, 47380, 47955, 57268, 63940, 71070, 71585, 85902, 95910, 142140, 143170, 171804, 191820, 214755, 286340, 329291, 429510, 658582, 859020, 987873, 1317164, 1646455, 1975746, 3292910, 3951492, 4939365, 6585820, 9878730, 19757460]

約数ペア:

[(1, 19757460), (2, 9878730), (3, 6585820), (4, 4939365), (5, 3951492), (6, 3292910), (10, 1975746), (12, 1646455), (15, 1317164), (20, 987873), (23, 859020), (30, 658582), (46, 429510), (60, 329291), (69, 286340), (92, 214755), (103, 191820), (115, 171804), (138, 143170), (139, 142140), (206, 95910), (230, 85902), (276, 71585), (278, 71070), (309, 63940), (345, 57268), (412, 47955), (417, 47380), (460, 42951), (515, 38364), (556, 35535), (618, 31970), (690, 28634), (695, 28428), (834, 23690), (1030, 19182), (1236, 15985), (1380, 14317), (1390, 14214), (1545, 12788), (1668, 11845), (2060, 9591), (2085, 9476), (2369, 8340), (2780, 7107), (3090, 6394), (3197, 6180), (4170, 4738)]