18091876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 39172896

約数和(自身を除く): 21081020

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 67, 68, 76, 134, 187, 209, 268, 323, 361, 374, 418, 646, 722, 737, 748, 836, 1139, 1273, 1292, 1444, 1474, 2278, 2546, 2948, 3553, 3971, 4556, 5092, 6137, 7106, 7942, 12274, 12529, 14003, 14212, 15884, 21641, 24187, 24548, 25058, 28006, 43282, 48374, 50116, 56012, 67507, 86564, 96748, 135014, 238051, 266057, 270028, 411179, 476102, 532114, 822358, 952204, 1064228, 1644716, 4522969, 9045938, 18091876]

約数ペア:

[(1, 18091876), (2, 9045938), (4, 4522969), (11, 1644716), (17, 1064228), (19, 952204), (22, 822358), (34, 532114), (38, 476102), (44, 411179), (67, 270028), (68, 266057), (76, 238051), (134, 135014), (187, 96748), (209, 86564), (268, 67507), (323, 56012), (361, 50116), (374, 48374), (418, 43282), (646, 28006), (722, 25058), (737, 24548), (748, 24187), (836, 21641), (1139, 15884), (1273, 14212), (1292, 14003), (1444, 12529), (1474, 12274), (2278, 7942), (2546, 7106), (2948, 6137), (3553, 5092), (3971, 4556)]