18449854924

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{640531}}^1$

素因数の和:640933

約数の個数: 24

約数和(自身を含む): 34076302400

約数和(自身を除く): 15626447476

約数列:

[1, 2, 4, 19, 38, 76, 379, 758, 1516, 7201, 14402, 28804, 640531, 1281062, 2562124, 12170089, 24340178, 48680356, 242761249, 485522498, 971044996, 4612463731, 9224927462, 18449854924]

約数ペア:

[(1, 18449854924), (2, 9224927462), (4, 4612463731), (19, 971044996), (38, 485522498), (76, 242761249), (379, 48680356), (758, 24340178), (1516, 12170089), (7201, 2562124), (14402, 1281062), (28804, 640531)]