19790586

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1291

約数の個数: 48

約数和(自身を含む): 45826560

約数和(自身を除く): 26035974

約数列:

[1, 2, 3, 6, 9, 18, 29, 31, 58, 62, 87, 93, 174, 186, 261, 279, 522, 558, 899, 1223, 1798, 2446, 2697, 3669, 5394, 7338, 8091, 11007, 16182, 22014, 35467, 37913, 70934, 75826, 106401, 113739, 212802, 227478, 319203, 341217, 638406, 682434, 1099477, 2198954, 3298431, 6596862, 9895293, 19790586]

約数ペア:

[(1, 19790586), (2, 9895293), (3, 6596862), (6, 3298431), (9, 2198954), (18, 1099477), (29, 682434), (31, 638406), (58, 341217), (62, 319203), (87, 227478), (93, 212802), (174, 113739), (186, 106401), (261, 75826), (279, 70934), (522, 37913), (558, 35467), (899, 22014), (1223, 16182), (1798, 11007), (2446, 8091), (2697, 7338), (3669, 5394)]