19816696

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7669}}^1$

素因数の和:7711

約数の個数: 32

約数和(自身を含む): 41418000

約数和(自身を除く): 21601304

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7669, 15338, 30676, 61352, 130373, 145711, 260746, 291422, 521492, 582844, 1042984, 1165688, 2477087, 4954174, 9908348, 19816696]

約数ペア:

[(1, 19816696), (2, 9908348), (4, 4954174), (8, 2477087), (17, 1165688), (19, 1042984), (34, 582844), (38, 521492), (68, 291422), (76, 260746), (136, 145711), (152, 130373), (323, 61352), (646, 30676), (1292, 15338), (2584, 7669)]