18859736

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5521}}^1$

素因数の和:5595

約数の個数: 32

約数和(自身を含む): 41083680

約数和(自身を除く): 22223944

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 5521, 11042, 22084, 38647, 44168, 77294, 154588, 309176, 336781, 673562, 1347124, 2357467, 2694248, 4714934, 9429868, 18859736]

約数ペア:

[(1, 18859736), (2, 9429868), (4, 4714934), (7, 2694248), (8, 2357467), (14, 1347124), (28, 673562), (56, 336781), (61, 309176), (122, 154588), (244, 77294), (427, 44168), (488, 38647), (854, 22084), (1708, 11042), (3416, 5521)]