18019236

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{743}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 43997184

約数和(自身を除く): 25977948

約数列:

[1, 2, 3, 4, 6, 12, 43, 47, 86, 94, 129, 141, 172, 188, 258, 282, 516, 564, 743, 1486, 2021, 2229, 2972, 4042, 4458, 6063, 8084, 8916, 12126, 24252, 31949, 34921, 63898, 69842, 95847, 104763, 127796, 139684, 191694, 209526, 383388, 419052, 1501603, 3003206, 4504809, 6006412, 9009618, 18019236]

約数ペア:

[(1, 18019236), (2, 9009618), (3, 6006412), (4, 4504809), (6, 3003206), (12, 1501603), (43, 419052), (47, 383388), (86, 209526), (94, 191694), (129, 139684), (141, 127796), (172, 104763), (188, 95847), (258, 69842), (282, 63898), (516, 34921), (564, 31949), (743, 24252), (1486, 12126), (2021, 8916), (2229, 8084), (2972, 6063), (4042, 4458)]