19720224

素因数分解:

$2^5\times 3^2\times {\mathrm{68473}}^1$

素因数の和:68489

約数の個数: 36

約数和(自身を含む): 56080206

約数和(自身を除く): 36359982

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 68473, 136946, 205419, 273892, 410838, 547784, 616257, 821676, 1095568, 1232514, 1643352, 2191136, 2465028, 3286704, 4930056, 6573408, 9860112, 19720224]

約数ペア:

[(1, 19720224), (2, 9860112), (3, 6573408), (4, 4930056), (6, 3286704), (8, 2465028), (9, 2191136), (12, 1643352), (16, 1232514), (18, 1095568), (24, 821676), (32, 616257), (36, 547784), (48, 410838), (72, 273892), (96, 205419), (144, 136946), (288, 68473)]