19478394

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{3083}}^1$

素因数の和:3113

約数の個数: 48

約数和(自身を含む): 47148192

約数和(自身を除く): 27669798

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 1053, 2106, 3083, 3159, 6166, 6318, 9249, 18498, 27747, 40079, 55494, 80158, 83241, 120237, 166482, 240474, 249723, 360711, 499446, 721422, 749169, 1082133, 1498338, 2164266, 3246399, 6492798, 9739197, 19478394]

約数ペア:

[(1, 19478394), (2, 9739197), (3, 6492798), (6, 3246399), (9, 2164266), (13, 1498338), (18, 1082133), (26, 749169), (27, 721422), (39, 499446), (54, 360711), (78, 249723), (81, 240474), (117, 166482), (162, 120237), (234, 83241), (243, 80158), (351, 55494), (486, 40079), (702, 27747), (1053, 18498), (2106, 9249), (3083, 6318), (3159, 6166)]