18471401

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 22861440

約数和(自身を除く): 4390039

約数列:

[1, 13, 17, 19, 53, 83, 221, 247, 323, 689, 901, 1007, 1079, 1411, 1577, 4199, 4399, 11713, 13091, 17119, 18343, 20501, 26809, 57187, 74783, 83581, 222547, 348517, 972179, 1086553, 1420877, 18471401]

約数ペア:

[(1, 18471401), (13, 1420877), (17, 1086553), (19, 972179), (53, 348517), (83, 222547), (221, 83581), (247, 74783), (323, 57187), (689, 26809), (901, 20501), (1007, 18343), (1079, 17119), (1411, 13091), (1577, 11713), (4199, 4399)]