19121668

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 37545984

約数和(自身を除く): 18424316

約数列:

[1, 2, 4, 17, 31, 34, 47, 62, 68, 94, 124, 188, 193, 386, 527, 772, 799, 1054, 1457, 1598, 2108, 2914, 3196, 3281, 5828, 5983, 6562, 9071, 11966, 13124, 18142, 23932, 24769, 36284, 49538, 99076, 101711, 154207, 203422, 281201, 308414, 406844, 562402, 616828, 1124804, 4780417, 9560834, 19121668]

約数ペア:

[(1, 19121668), (2, 9560834), (4, 4780417), (17, 1124804), (31, 616828), (34, 562402), (47, 406844), (62, 308414), (68, 281201), (94, 203422), (124, 154207), (188, 101711), (193, 99076), (386, 49538), (527, 36284), (772, 24769), (799, 23932), (1054, 18142), (1457, 13124), (1598, 11966), (2108, 9071), (2914, 6562), (3196, 5983), (3281, 5828)]