2019400578

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{77747}}^1$

素因数の和:77808

約数の個数: 64

約数和(自身を含む): 4963432320

約数和(自身を除く): 2944031742

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 37, 39, 54, 74, 78, 111, 117, 222, 234, 333, 351, 481, 666, 702, 962, 999, 1443, 1998, 2886, 4329, 8658, 12987, 25974, 77747, 155494, 233241, 466482, 699723, 1010711, 1399446, 2021422, 2099169, 2876639, 3032133, 4198338, 5753278, 6064266, 8629917, 9096399, 17259834, 18192798, 25889751, 27289197, 37396307, 51779502, 54578394, 74792614, 77669253, 112188921, 155338506, 224377842, 336566763, 673133526, 1009700289, 2019400578]

約数ペア:

[(1, 2019400578), (2, 1009700289), (3, 673133526), (6, 336566763), (9, 224377842), (13, 155338506), (18, 112188921), (26, 77669253), (27, 74792614), (37, 54578394), (39, 51779502), (54, 37396307), (74, 27289197), (78, 25889751), (111, 18192798), (117, 17259834), (222, 9096399), (234, 8629917), (333, 6064266), (351, 5753278), (481, 4198338), (666, 3032133), (702, 2876639), (962, 2099169), (999, 2021422), (1443, 1399446), (1998, 1010711), (2886, 699723), (4329, 466482), (8658, 233241), (12987, 155494), (25974, 77747)]