19856130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4111}}^1$

素因数の和:4151

約数の個数: 64

約数和(自身を含む): 56844288

約数和(自身を除く): 36988158

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 210, 230, 322, 345, 483, 690, 805, 966, 1610, 2415, 4111, 4830, 8222, 12333, 20555, 24666, 28777, 41110, 57554, 61665, 86331, 94553, 123330, 143885, 172662, 189106, 283659, 287770, 431655, 472765, 567318, 661871, 863310, 945530, 1323742, 1418295, 1985613, 2836590, 3309355, 3971226, 6618710, 9928065, 19856130]

約数ペア:

[(1, 19856130), (2, 9928065), (3, 6618710), (5, 3971226), (6, 3309355), (7, 2836590), (10, 1985613), (14, 1418295), (15, 1323742), (21, 945530), (23, 863310), (30, 661871), (35, 567318), (42, 472765), (46, 431655), (69, 287770), (70, 283659), (105, 189106), (115, 172662), (138, 143885), (161, 123330), (210, 94553), (230, 86331), (322, 61665), (345, 57554), (483, 41110), (690, 28777), (805, 24666), (966, 20555), (1610, 12333), (2415, 8222), (4111, 4830)]