18413388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{821}}^1$

素因数の和:927

約数の個数: 72

約数和(自身を含む): 53857440

約数和(自身を除く): 35444052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 89, 126, 178, 252, 267, 356, 534, 623, 801, 821, 1068, 1246, 1602, 1642, 1869, 2463, 2492, 3204, 3284, 3738, 4926, 5607, 5747, 7389, 7476, 9852, 11214, 11494, 14778, 17241, 22428, 22988, 29556, 34482, 51723, 68964, 73069, 103446, 146138, 206892, 219207, 292276, 438414, 511483, 657621, 876828, 1022966, 1315242, 1534449, 2045932, 2630484, 3068898, 4603347, 6137796, 9206694, 18413388]

約数ペア:

[(1, 18413388), (2, 9206694), (3, 6137796), (4, 4603347), (6, 3068898), (7, 2630484), (9, 2045932), (12, 1534449), (14, 1315242), (18, 1022966), (21, 876828), (28, 657621), (36, 511483), (42, 438414), (63, 292276), (84, 219207), (89, 206892), (126, 146138), (178, 103446), (252, 73069), (267, 68964), (356, 51723), (534, 34482), (623, 29556), (801, 22988), (821, 22428), (1068, 17241), (1246, 14778), (1602, 11494), (1642, 11214), (1869, 9852), (2463, 7476), (2492, 7389), (3204, 5747), (3284, 5607), (3738, 4926)]