18306704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{311}}^1$

素因数の和:615

約数の個数: 40

約数和(自身を含む): 38455872

約数和(自身を除く): 20149168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 283, 311, 566, 622, 1132, 1244, 2264, 2488, 3679, 4043, 4528, 4976, 7358, 8086, 14716, 16172, 29432, 32344, 58864, 64688, 88013, 176026, 352052, 704104, 1144169, 1408208, 2288338, 4576676, 9153352, 18306704]

約数ペア:

[(1, 18306704), (2, 9153352), (4, 4576676), (8, 2288338), (13, 1408208), (16, 1144169), (26, 704104), (52, 352052), (104, 176026), (208, 88013), (283, 64688), (311, 58864), (566, 32344), (622, 29432), (1132, 16172), (1244, 14716), (2264, 8086), (2488, 7358), (3679, 4976), (4043, 4528)]