18937864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12659}}^1$

素因数の和:12693

約数の個数: 32

約数和(自身を含む): 41018400

約数和(自身を除く): 22080536

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 12659, 25318, 50636, 101272, 139249, 215203, 278498, 430406, 556996, 860812, 1113992, 1721624, 2367233, 4734466, 9468932, 18937864]

約数ペア:

[(1, 18937864), (2, 9468932), (4, 4734466), (8, 2367233), (11, 1721624), (17, 1113992), (22, 860812), (34, 556996), (44, 430406), (68, 278498), (88, 215203), (136, 139249), (187, 101272), (374, 50636), (748, 25318), (1496, 12659)]