173821538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1069}}^1$

素因数の和:1490

約数の個数: 32

約数和(自身を含む): 300456000

約数和(自身を除く): 126634462

約数列:

[1, 2, 11, 19, 22, 38, 209, 389, 418, 778, 1069, 2138, 4279, 7391, 8558, 11759, 14782, 20311, 23518, 40622, 81301, 162602, 223421, 415841, 446842, 831682, 4574251, 7900979, 9148502, 15801958, 86910769, 173821538]

約数ペア:

[(1, 173821538), (2, 86910769), (11, 15801958), (19, 9148502), (22, 7900979), (38, 4574251), (209, 831682), (389, 446842), (418, 415841), (778, 223421), (1069, 162602), (2138, 81301), (4279, 40622), (7391, 23518), (8558, 20311), (11759, 14782)]