18904952

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12637}}^1$

素因数の和:12671

約数の個数: 32

約数和(自身を含む): 40947120

約数和(自身を除く): 22042168

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 12637, 25274, 50548, 101096, 139007, 214829, 278014, 429658, 556028, 859316, 1112056, 1718632, 2363119, 4726238, 9452476, 18904952]

約数ペア:

[(1, 18904952), (2, 9452476), (4, 4726238), (8, 2363119), (11, 1718632), (17, 1112056), (22, 859316), (34, 556028), (44, 429658), (68, 278014), (88, 214829), (136, 139007), (187, 101096), (374, 50548), (748, 25274), (1496, 12637)]