18203672

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 20503528

約数列:

[1, 2, 4, 8, 19, 23, 38, 41, 46, 76, 82, 92, 127, 152, 164, 184, 254, 328, 437, 508, 779, 874, 943, 1016, 1558, 1748, 1886, 2413, 2921, 3116, 3496, 3772, 4826, 5207, 5842, 6232, 7544, 9652, 10414, 11684, 17917, 19304, 20828, 23368, 35834, 41656, 55499, 71668, 98933, 110998, 119761, 143336, 197866, 221996, 239522, 395732, 443992, 479044, 791464, 958088, 2275459, 4550918, 9101836, 18203672]

約数ペア:

[(1, 18203672), (2, 9101836), (4, 4550918), (8, 2275459), (19, 958088), (23, 791464), (38, 479044), (41, 443992), (46, 395732), (76, 239522), (82, 221996), (92, 197866), (127, 143336), (152, 119761), (164, 110998), (184, 98933), (254, 71668), (328, 55499), (437, 41656), (508, 35834), (779, 23368), (874, 20828), (943, 19304), (1016, 17917), (1558, 11684), (1748, 10414), (1886, 9652), (2413, 7544), (2921, 6232), (3116, 5842), (3496, 5207), (3772, 4826)]