19672144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{397}}^1$

素因数の和:587

約数の個数: 40

約数和(自身を含む): 40468640

約数和(自身を除く): 20796496

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 163, 304, 326, 397, 652, 794, 1304, 1588, 2608, 3097, 3176, 6194, 6352, 7543, 12388, 15086, 24776, 30172, 49552, 60344, 64711, 120688, 129422, 258844, 517688, 1035376, 1229509, 2459018, 4918036, 9836072, 19672144]

約数ペア:

[(1, 19672144), (2, 9836072), (4, 4918036), (8, 2459018), (16, 1229509), (19, 1035376), (38, 517688), (76, 258844), (152, 129422), (163, 120688), (304, 64711), (326, 60344), (397, 49552), (652, 30172), (794, 24776), (1304, 15086), (1588, 12388), (2608, 7543), (3097, 6352), (3176, 6194)]