18740936

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3361}}^1$

素因数の和:3425

約数の個数: 32

約数和(自身を含む): 38125080

約数和(自身を除く): 19384144

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 82, 136, 164, 328, 697, 1394, 2788, 3361, 5576, 6722, 13444, 26888, 57137, 114274, 137801, 228548, 275602, 457096, 551204, 1102408, 2342617, 4685234, 9370468, 18740936]

約数ペア:

[(1, 18740936), (2, 9370468), (4, 4685234), (8, 2342617), (17, 1102408), (34, 551204), (41, 457096), (68, 275602), (82, 228548), (136, 137801), (164, 114274), (328, 57137), (697, 26888), (1394, 13444), (2788, 6722), (3361, 5576)]