23519980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{9719}}^1$

素因数の和:9750

約数の個数: 36

約数和(自身を含む): 54295920

約数和(自身を除く): 30775940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 9719, 19438, 38876, 48595, 97190, 106909, 194380, 213818, 427636, 534545, 1069090, 1175999, 2138180, 2351998, 4703996, 5879995, 11759990, 23519980]

約数ペア:

[(1, 23519980), (2, 11759990), (4, 5879995), (5, 4703996), (10, 2351998), (11, 2138180), (20, 1175999), (22, 1069090), (44, 534545), (55, 427636), (110, 213818), (121, 194380), (220, 106909), (242, 97190), (484, 48595), (605, 38876), (1210, 19438), (2420, 9719)]