19517360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 80

約数和(自身を含む): 48854016

約数和(自身を除く): 29336656

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 113, 127, 136, 170, 226, 254, 272, 340, 452, 508, 565, 635, 680, 904, 1016, 1130, 1270, 1360, 1808, 1921, 2032, 2159, 2260, 2540, 3842, 4318, 4520, 5080, 7684, 8636, 9040, 9605, 10160, 10795, 14351, 15368, 17272, 19210, 21590, 28702, 30736, 34544, 38420, 43180, 57404, 71755, 76840, 86360, 114808, 143510, 153680, 172720, 229616, 243967, 287020, 487934, 574040, 975868, 1148080, 1219835, 1951736, 2439670, 3903472, 4879340, 9758680, 19517360]

約数ペア:

[(1, 19517360), (2, 9758680), (4, 4879340), (5, 3903472), (8, 2439670), (10, 1951736), (16, 1219835), (17, 1148080), (20, 975868), (34, 574040), (40, 487934), (68, 287020), (80, 243967), (85, 229616), (113, 172720), (127, 153680), (136, 143510), (170, 114808), (226, 86360), (254, 76840), (272, 71755), (340, 57404), (452, 43180), (508, 38420), (565, 34544), (635, 30736), (680, 28702), (904, 21590), (1016, 19210), (1130, 17272), (1270, 15368), (1360, 14351), (1808, 10795), (1921, 10160), (2032, 9605), (2159, 9040), (2260, 8636), (2540, 7684), (3842, 5080), (4318, 4520)]