19464745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 6662615

約数列:

[1, 5, 17, 31, 83, 85, 89, 155, 415, 445, 527, 1411, 1513, 2573, 2635, 2759, 7055, 7387, 7565, 12865, 13795, 36935, 43741, 46903, 125579, 218705, 228997, 234515, 627895, 1144985, 3892949, 19464745]

約数ペア:

[(1, 19464745), (5, 3892949), (17, 1144985), (31, 627895), (83, 234515), (85, 228997), (89, 218705), (155, 125579), (415, 46903), (445, 43741), (527, 36935), (1411, 13795), (1513, 12865), (2573, 7565), (2635, 7387), (2759, 7055)]