18332223

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 31370976

約数和(自身を除く): 13038753

約数列:

[1, 3, 7, 13, 21, 39, 49, 53, 91, 147, 159, 181, 273, 371, 543, 637, 689, 1113, 1267, 1911, 2067, 2353, 2597, 3801, 4823, 7059, 7791, 8869, 9593, 14469, 16471, 26607, 28779, 33761, 49413, 67151, 101283, 115297, 124709, 201453, 345891, 374127, 470057, 872963, 1410171, 2618889, 6110741, 18332223]

約数ペア:

[(1, 18332223), (3, 6110741), (7, 2618889), (13, 1410171), (21, 872963), (39, 470057), (49, 374127), (53, 345891), (91, 201453), (147, 124709), (159, 115297), (181, 101283), (273, 67151), (371, 49413), (543, 33761), (637, 28779), (689, 26607), (1113, 16471), (1267, 14469), (1911, 9593), (2067, 8869), (2353, 7791), (2597, 7059), (3801, 4823)]