18661496967

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 27517501440

約数和(自身を除く): 8856004473

約数列:

[1, 3, 9, 127, 179, 197, 381, 463, 537, 591, 1143, 1389, 1611, 1773, 4167, 22733, 25019, 35263, 58801, 68199, 75057, 82877, 91211, 105789, 176403, 204597, 225171, 248631, 273633, 317367, 529209, 745893, 820899, 4478401, 10525379, 11583797, 13435203, 16326769, 31576137, 34751391, 40305609, 48980307, 94728411, 104254173, 146940921, 2073499663, 6220498989, 18661496967]

約数ペア:

[(1, 18661496967), (3, 6220498989), (9, 2073499663), (127, 146940921), (179, 104254173), (197, 94728411), (381, 48980307), (463, 40305609), (537, 34751391), (591, 31576137), (1143, 16326769), (1389, 13435203), (1611, 11583797), (1773, 10525379), (4167, 4478401), (22733, 820899), (25019, 745893), (35263, 529209), (58801, 317367), (68199, 273633), (75057, 248631), (82877, 225171), (91211, 204597), (105789, 176403)]