18210808

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:125

約数の個数: 128

約数和(自身を含む): 47278080

約数和(自身を除く): 29067272

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 37, 44, 47, 56, 68, 74, 77, 88, 94, 119, 136, 148, 154, 187, 188, 238, 259, 296, 308, 329, 374, 376, 407, 476, 517, 518, 616, 629, 658, 748, 799, 814, 952, 1034, 1036, 1258, 1309, 1316, 1496, 1598, 1628, 1739, 2068, 2072, 2516, 2618, 2632, 2849, 3196, 3256, 3478, 3619, 4136, 4403, 5032, 5236, 5593, 5698, 6392, 6919, 6956, 7238, 8789, 8806, 10472, 11186, 11396, 12173, 13838, 13912, 14476, 17578, 17612, 19129, 22372, 22792, 24346, 27676, 28952, 29563, 35156, 35224, 38258, 44744, 48433, 48692, 55352, 59126, 61523, 70312, 76516, 96866, 97384, 118252, 123046, 133903, 153032, 193732, 206941, 236504, 246092, 267806, 325193, 387464, 413882, 492184, 535612, 650386, 827764, 1071224, 1300772, 1655528, 2276351, 2601544, 4552702, 9105404, 18210808]

約数ペア:

[(1, 18210808), (2, 9105404), (4, 4552702), (7, 2601544), (8, 2276351), (11, 1655528), (14, 1300772), (17, 1071224), (22, 827764), (28, 650386), (34, 535612), (37, 492184), (44, 413882), (47, 387464), (56, 325193), (68, 267806), (74, 246092), (77, 236504), (88, 206941), (94, 193732), (119, 153032), (136, 133903), (148, 123046), (154, 118252), (187, 97384), (188, 96866), (238, 76516), (259, 70312), (296, 61523), (308, 59126), (329, 55352), (374, 48692), (376, 48433), (407, 44744), (476, 38258), (517, 35224), (518, 35156), (616, 29563), (629, 28952), (658, 27676), (748, 24346), (799, 22792), (814, 22372), (952, 19129), (1034, 17612), (1036, 17578), (1258, 14476), (1309, 13912), (1316, 13838), (1496, 12173), (1598, 11396), (1628, 11186), (1739, 10472), (2068, 8806), (2072, 8789), (2516, 7238), (2618, 6956), (2632, 6919), (2849, 6392), (3196, 5698), (3256, 5593), (3478, 5236), (3619, 5032), (4136, 4403)]