18449800020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{124543}}^1$

素因数の和:125381

約数の個数: 72

約数和(自身を含む): 56032843776

約数和(自身を除く): 37583043756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 823, 1646, 2469, 3292, 4115, 4938, 7407, 8230, 9876, 12345, 14814, 16460, 24690, 29628, 37035, 49380, 74070, 124543, 148140, 249086, 373629, 498172, 622715, 747258, 1120887, 1245430, 1494516, 1868145, 2241774, 2490860, 3736290, 4483548, 5604435, 7472580, 11208870, 22417740, 102498889, 204997778, 307496667, 409995556, 512494445, 614993334, 922490001, 1024988890, 1229986668, 1537483335, 1844980002, 2049977780, 3074966670, 3689960004, 4612450005, 6149933340, 9224900010, 18449800020]

約数ペア:

[(1, 18449800020), (2, 9224900010), (3, 6149933340), (4, 4612450005), (5, 3689960004), (6, 3074966670), (9, 2049977780), (10, 1844980002), (12, 1537483335), (15, 1229986668), (18, 1024988890), (20, 922490001), (30, 614993334), (36, 512494445), (45, 409995556), (60, 307496667), (90, 204997778), (180, 102498889), (823, 22417740), (1646, 11208870), (2469, 7472580), (3292, 5604435), (4115, 4483548), (4938, 3736290), (7407, 2490860), (8230, 2241774), (9876, 1868145), (12345, 1494516), (14814, 1245430), (16460, 1120887), (24690, 747258), (29628, 622715), (37035, 498172), (49380, 373629), (74070, 249086), (124543, 148140)]