19510526

素因数分解:

$2^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:286

約数の個数: 40

約数和(自身を含む): 36300960

約数和(自身を除く): 16790434

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 239, 343, 478, 686, 833, 1666, 1673, 2401, 3346, 4063, 4802, 5831, 8126, 11662, 11711, 23422, 28441, 40817, 56882, 81634, 81977, 163954, 199087, 398174, 573839, 1147678, 1393609, 2787218, 9755263, 19510526]

約数ペア:

[(1, 19510526), (2, 9755263), (7, 2787218), (14, 1393609), (17, 1147678), (34, 573839), (49, 398174), (98, 199087), (119, 163954), (238, 81977), (239, 81634), (343, 56882), (478, 40817), (686, 28441), (833, 23422), (1666, 11711), (1673, 11662), (2401, 8126), (3346, 5831), (4063, 4802)]