18723472

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{613}}^1$

素因数の和:727

約数の個数: 40

約数和(自身を含む): 38372544

約数和(自身を除く): 19649072

約数列:

[1, 2, 4, 8, 16, 23, 46, 83, 92, 166, 184, 332, 368, 613, 664, 1226, 1328, 1909, 2452, 3818, 4904, 7636, 9808, 14099, 15272, 28198, 30544, 50879, 56396, 101758, 112792, 203516, 225584, 407032, 814064, 1170217, 2340434, 4680868, 9361736, 18723472]

約数ペア:

[(1, 18723472), (2, 9361736), (4, 4680868), (8, 2340434), (16, 1170217), (23, 814064), (46, 407032), (83, 225584), (92, 203516), (166, 112792), (184, 101758), (332, 56396), (368, 50879), (613, 30544), (664, 28198), (1226, 15272), (1328, 14099), (1909, 9808), (2452, 7636), (3818, 4904)]