18860556

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 53625600

約数和(自身を除く): 34765044

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 29, 33, 39, 44, 52, 58, 66, 78, 87, 116, 132, 143, 156, 174, 286, 319, 348, 377, 379, 429, 572, 638, 754, 758, 858, 957, 1131, 1137, 1276, 1508, 1516, 1716, 1914, 2262, 2274, 3828, 4147, 4169, 4524, 4548, 4927, 8294, 8338, 9854, 10991, 12441, 12507, 14781, 16588, 16676, 19708, 21982, 24882, 25014, 29562, 32973, 43964, 49764, 50028, 54197, 59124, 65946, 108394, 120901, 131892, 142883, 162591, 216788, 241802, 285766, 325182, 362703, 428649, 483604, 571532, 650364, 725406, 857298, 1450812, 1571713, 1714596, 3143426, 4715139, 6286852, 9430278, 18860556]

約数ペア:

[(1, 18860556), (2, 9430278), (3, 6286852), (4, 4715139), (6, 3143426), (11, 1714596), (12, 1571713), (13, 1450812), (22, 857298), (26, 725406), (29, 650364), (33, 571532), (39, 483604), (44, 428649), (52, 362703), (58, 325182), (66, 285766), (78, 241802), (87, 216788), (116, 162591), (132, 142883), (143, 131892), (156, 120901), (174, 108394), (286, 65946), (319, 59124), (348, 54197), (377, 50028), (379, 49764), (429, 43964), (572, 32973), (638, 29562), (754, 25014), (758, 24882), (858, 21982), (957, 19708), (1131, 16676), (1137, 16588), (1276, 14781), (1508, 12507), (1516, 12441), (1716, 10991), (1914, 9854), (2262, 8338), (2274, 8294), (3828, 4927), (4147, 4548), (4169, 4524)]