18693780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{947}}^1$

素因数の和:1013

約数の個数: 96

約数和(自身を含む): 61157376

約数和(自身を除く): 42463596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 947, 987, 1316, 1410, 1645, 1894, 1974, 2820, 2841, 3290, 3788, 3948, 4735, 4935, 5682, 6580, 6629, 9470, 9870, 11364, 13258, 14205, 18940, 19740, 19887, 26516, 28410, 33145, 39774, 44509, 56820, 66290, 79548, 89018, 99435, 132580, 133527, 178036, 198870, 222545, 267054, 311563, 397740, 445090, 534108, 623126, 667635, 890180, 934689, 1246252, 1335270, 1557815, 1869378, 2670540, 3115630, 3738756, 4673445, 6231260, 9346890, 18693780]

約数ペア:

[(1, 18693780), (2, 9346890), (3, 6231260), (4, 4673445), (5, 3738756), (6, 3115630), (7, 2670540), (10, 1869378), (12, 1557815), (14, 1335270), (15, 1246252), (20, 934689), (21, 890180), (28, 667635), (30, 623126), (35, 534108), (42, 445090), (47, 397740), (60, 311563), (70, 267054), (84, 222545), (94, 198870), (105, 178036), (140, 133527), (141, 132580), (188, 99435), (210, 89018), (235, 79548), (282, 66290), (329, 56820), (420, 44509), (470, 39774), (564, 33145), (658, 28410), (705, 26516), (940, 19887), (947, 19740), (987, 18940), (1316, 14205), (1410, 13258), (1645, 11364), (1894, 9870), (1974, 9470), (2820, 6629), (2841, 6580), (3290, 5682), (3788, 4935), (3948, 4735)]