18900588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1009}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 50677760

約数和(自身を除く): 31777172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 223, 446, 669, 892, 1009, 1338, 1561, 2018, 2676, 3027, 3122, 4036, 4683, 6054, 6244, 7063, 9366, 12108, 14126, 18732, 21189, 28252, 42378, 84756, 225007, 450014, 675021, 900028, 1350042, 1575049, 2700084, 3150098, 4725147, 6300196, 9450294, 18900588]

約数ペア:

[(1, 18900588), (2, 9450294), (3, 6300196), (4, 4725147), (6, 3150098), (7, 2700084), (12, 1575049), (14, 1350042), (21, 900028), (28, 675021), (42, 450014), (84, 225007), (223, 84756), (446, 42378), (669, 28252), (892, 21189), (1009, 18732), (1338, 14126), (1561, 12108), (2018, 9366), (2676, 7063), (3027, 6244), (3122, 6054), (4036, 4683)]