19651890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1499}}^1$

素因数の和:1551

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 32188110

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 23, 30, 38, 46, 57, 69, 95, 114, 115, 138, 190, 230, 285, 345, 437, 570, 690, 874, 1311, 1499, 2185, 2622, 2998, 4370, 4497, 6555, 7495, 8994, 13110, 14990, 22485, 28481, 34477, 44970, 56962, 68954, 85443, 103431, 142405, 170886, 172385, 206862, 284810, 344770, 427215, 517155, 655063, 854430, 1034310, 1310126, 1965189, 3275315, 3930378, 6550630, 9825945, 19651890]

約数ペア:

[(1, 19651890), (2, 9825945), (3, 6550630), (5, 3930378), (6, 3275315), (10, 1965189), (15, 1310126), (19, 1034310), (23, 854430), (30, 655063), (38, 517155), (46, 427215), (57, 344770), (69, 284810), (95, 206862), (114, 172385), (115, 170886), (138, 142405), (190, 103431), (230, 85443), (285, 68954), (345, 56962), (437, 44970), (570, 34477), (690, 28481), (874, 22485), (1311, 14990), (1499, 13110), (2185, 8994), (2622, 7495), (2998, 6555), (4370, 4497)]