18819810

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1621}}^1$

素因数の和:1680

約数の個数: 64

約数和(自身を含む): 51384960

約数和(自身を除く): 32565150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 86, 90, 129, 135, 215, 258, 270, 387, 430, 645, 774, 1161, 1290, 1621, 1935, 2322, 3242, 3870, 4863, 5805, 8105, 9726, 11610, 14589, 16210, 24315, 29178, 43767, 48630, 69703, 72945, 87534, 139406, 145890, 209109, 218835, 348515, 418218, 437670, 627327, 697030, 1045545, 1254654, 1881981, 2091090, 3136635, 3763962, 6273270, 9409905, 18819810]

約数ペア:

[(1, 18819810), (2, 9409905), (3, 6273270), (5, 3763962), (6, 3136635), (9, 2091090), (10, 1881981), (15, 1254654), (18, 1045545), (27, 697030), (30, 627327), (43, 437670), (45, 418218), (54, 348515), (86, 218835), (90, 209109), (129, 145890), (135, 139406), (215, 87534), (258, 72945), (270, 69703), (387, 48630), (430, 43767), (645, 29178), (774, 24315), (1161, 16210), (1290, 14589), (1621, 11610), (1935, 9726), (2322, 8105), (3242, 5805), (3870, 4863)]