18018868

素因数分解:

$2^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{617}}^1$

素因数の和:784

約数の個数: 36

約数和(自身を含む): 36987300

約数和(自身を除く): 18968432

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 149, 196, 298, 596, 617, 1043, 1234, 2086, 2468, 4172, 4319, 7301, 8638, 14602, 17276, 29204, 30233, 60466, 91933, 120932, 183866, 367732, 643531, 1287062, 2574124, 4504717, 9009434, 18018868]

約数ペア:

[(1, 18018868), (2, 9009434), (4, 4504717), (7, 2574124), (14, 1287062), (28, 643531), (49, 367732), (98, 183866), (149, 120932), (196, 91933), (298, 60466), (596, 30233), (617, 29204), (1043, 17276), (1234, 14602), (2086, 8638), (2468, 7301), (4172, 4319)]