19831890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 51714432

約数和(自身を除く): 31882542

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 211, 241, 390, 422, 482, 633, 723, 1055, 1205, 1266, 1446, 2110, 2410, 2743, 3133, 3165, 3615, 5486, 6266, 6330, 7230, 8229, 9399, 13715, 15665, 16458, 18798, 27430, 31330, 41145, 46995, 50851, 82290, 93990, 101702, 152553, 254255, 305106, 508510, 661063, 762765, 1322126, 1525530, 1983189, 3305315, 3966378, 6610630, 9915945, 19831890]

約数ペア:

[(1, 19831890), (2, 9915945), (3, 6610630), (5, 3966378), (6, 3305315), (10, 1983189), (13, 1525530), (15, 1322126), (26, 762765), (30, 661063), (39, 508510), (65, 305106), (78, 254255), (130, 152553), (195, 101702), (211, 93990), (241, 82290), (390, 50851), (422, 46995), (482, 41145), (633, 31330), (723, 27430), (1055, 18798), (1205, 16458), (1266, 15665), (1446, 13715), (2110, 9399), (2410, 8229), (2743, 7230), (3133, 6330), (3165, 6266), (3615, 5486)]