18957136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5669}}^1$

素因数の和:5707

約数の個数: 40

約数和(自身を含む): 42184800

約数和(自身を除く): 23227664

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 5669, 11338, 22676, 45352, 62359, 90704, 107711, 124718, 215422, 249436, 430844, 498872, 861688, 997744, 1184821, 1723376, 2369642, 4739284, 9478568, 18957136]

約数ペア:

[(1, 18957136), (2, 9478568), (4, 4739284), (8, 2369642), (11, 1723376), (16, 1184821), (19, 997744), (22, 861688), (38, 498872), (44, 430844), (76, 249436), (88, 215422), (152, 124718), (176, 107711), (209, 90704), (304, 62359), (418, 45352), (836, 22676), (1672, 11338), (3344, 5669)]