19221825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 39997440

約数和(自身を除く): 20775615

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 41, 47, 57, 75, 95, 105, 123, 133, 141, 175, 205, 235, 285, 287, 329, 399, 475, 525, 615, 665, 705, 779, 861, 893, 987, 1025, 1175, 1425, 1435, 1645, 1927, 1995, 2337, 2679, 3075, 3325, 3525, 3895, 4305, 4465, 4935, 5453, 5781, 6251, 7175, 8225, 9635, 9975, 11685, 13395, 13489, 16359, 18753, 19475, 21525, 22325, 24675, 27265, 28905, 31255, 36613, 40467, 48175, 58425, 66975, 67445, 81795, 93765, 109839, 136325, 144525, 156275, 183065, 202335, 256291, 337225, 408975, 468825, 549195, 768873, 915325, 1011675, 1281455, 2745975, 3844365, 6407275, 19221825]

約数ペア:

[(1, 19221825), (3, 6407275), (5, 3844365), (7, 2745975), (15, 1281455), (19, 1011675), (21, 915325), (25, 768873), (35, 549195), (41, 468825), (47, 408975), (57, 337225), (75, 256291), (95, 202335), (105, 183065), (123, 156275), (133, 144525), (141, 136325), (175, 109839), (205, 93765), (235, 81795), (285, 67445), (287, 66975), (329, 58425), (399, 48175), (475, 40467), (525, 36613), (615, 31255), (665, 28905), (705, 27265), (779, 24675), (861, 22325), (893, 21525), (987, 19475), (1025, 18753), (1175, 16359), (1425, 13489), (1435, 13395), (1645, 11685), (1927, 9975), (1995, 9635), (2337, 8225), (2679, 7175), (3075, 6251), (3325, 5781), (3525, 5453), (3895, 4935), (4305, 4465)]