19788424

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{617}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 39304800

約数和(自身を除く): 19516376

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 211, 422, 617, 844, 1234, 1688, 2468, 4009, 4936, 8018, 11723, 16036, 23446, 32072, 46892, 93784, 130187, 260374, 520748, 1041496, 2473553, 4947106, 9894212, 19788424]

約数ペア:

[(1, 19788424), (2, 9894212), (4, 4947106), (8, 2473553), (19, 1041496), (38, 520748), (76, 260374), (152, 130187), (211, 93784), (422, 46892), (617, 32072), (844, 23446), (1234, 16036), (1688, 11723), (2468, 8018), (4009, 4936)]