19752265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 26966016

約数和(自身を除く): 7213751

約数列:

[1, 5, 13, 37, 43, 65, 185, 191, 215, 481, 559, 955, 1591, 2405, 2483, 2795, 7067, 7955, 8213, 12415, 20683, 35335, 41065, 91871, 103415, 106769, 303881, 459355, 533845, 1519405, 3950453, 19752265]

約数ペア:

[(1, 19752265), (5, 3950453), (13, 1519405), (37, 533845), (43, 459355), (65, 303881), (185, 106769), (191, 103415), (215, 91871), (481, 41065), (559, 35335), (955, 20683), (1591, 12415), (2405, 8213), (2483, 7955), (2795, 7067)]