19811044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5059}}^1$

素因数の和:5163

約数の個数: 24

約数和(自身を含む): 38253600

約数和(自身を除く): 18442556

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 5059, 10118, 20236, 55649, 111298, 222596, 450251, 900502, 1801004, 4952761, 9905522, 19811044]

約数ペア:

[(1, 19811044), (2, 9905522), (4, 4952761), (11, 1801004), (22, 900502), (44, 450251), (89, 222596), (178, 111298), (356, 55649), (979, 20236), (1958, 10118), (3916, 5059)]