12186980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2467}}^1$

素因数の和:2508

約数の個数: 48

約数和(自身を含む): 29023680

約数和(自身を除く): 16836700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2467, 2470, 4934, 4940, 9868, 12335, 24670, 32071, 46873, 49340, 64142, 93746, 128284, 160355, 187492, 234365, 320710, 468730, 609349, 641420, 937460, 1218698, 2437396, 3046745, 6093490, 12186980]

約数ペア:

[(1, 12186980), (2, 6093490), (4, 3046745), (5, 2437396), (10, 1218698), (13, 937460), (19, 641420), (20, 609349), (26, 468730), (38, 320710), (52, 234365), (65, 187492), (76, 160355), (95, 128284), (130, 93746), (190, 64142), (247, 49340), (260, 46873), (380, 32071), (494, 24670), (988, 12335), (1235, 9868), (2467, 4940), (2470, 4934)]