19466800

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1187}}^1$

素因数の和:1246

約数の個数: 60

約数和(自身を含む): 47950056

約数和(自身を除く): 28483256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1187, 1640, 2050, 2374, 3280, 4100, 4748, 5935, 8200, 9496, 11870, 16400, 18992, 23740, 29675, 47480, 48667, 59350, 94960, 97334, 118700, 194668, 237400, 243335, 389336, 474800, 486670, 778672, 973340, 1216675, 1946680, 2433350, 3893360, 4866700, 9733400, 19466800]

約数ペア:

[(1, 19466800), (2, 9733400), (4, 4866700), (5, 3893360), (8, 2433350), (10, 1946680), (16, 1216675), (20, 973340), (25, 778672), (40, 486670), (41, 474800), (50, 389336), (80, 243335), (82, 237400), (100, 194668), (164, 118700), (200, 97334), (205, 94960), (328, 59350), (400, 48667), (410, 47480), (656, 29675), (820, 23740), (1025, 18992), (1187, 16400), (1640, 11870), (2050, 9496), (2374, 8200), (3280, 5935), (4100, 4748)]