19657656

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 56197440

約数和(自身を除く): 36539784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 47, 72, 74, 94, 111, 141, 148, 157, 188, 222, 282, 296, 314, 333, 376, 423, 444, 471, 564, 628, 666, 846, 888, 942, 1128, 1256, 1332, 1413, 1692, 1739, 1884, 2664, 2826, 3384, 3478, 3768, 5217, 5652, 5809, 6956, 7379, 10434, 11304, 11618, 13912, 14758, 15651, 17427, 20868, 22137, 23236, 29516, 31302, 34854, 41736, 44274, 46472, 52281, 59032, 62604, 66411, 69708, 88548, 104562, 125208, 132822, 139416, 177096, 209124, 265644, 273023, 418248, 531288, 546046, 819069, 1092092, 1638138, 2184184, 2457207, 3276276, 4914414, 6552552, 9828828, 19657656]

約数ペア:

[(1, 19657656), (2, 9828828), (3, 6552552), (4, 4914414), (6, 3276276), (8, 2457207), (9, 2184184), (12, 1638138), (18, 1092092), (24, 819069), (36, 546046), (37, 531288), (47, 418248), (72, 273023), (74, 265644), (94, 209124), (111, 177096), (141, 139416), (148, 132822), (157, 125208), (188, 104562), (222, 88548), (282, 69708), (296, 66411), (314, 62604), (333, 59032), (376, 52281), (423, 46472), (444, 44274), (471, 41736), (564, 34854), (628, 31302), (666, 29516), (846, 23236), (888, 22137), (942, 20868), (1128, 17427), (1256, 15651), (1332, 14758), (1413, 13912), (1692, 11618), (1739, 11304), (1884, 10434), (2664, 7379), (2826, 6956), (3384, 5809), (3478, 5652), (3768, 5217)]