17919590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{449}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 34927200

約数和(自身を除く): 17007610

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 307, 449, 614, 898, 1535, 2245, 3070, 3991, 4490, 5837, 7982, 11674, 19955, 29185, 39910, 58370, 137843, 275686, 689215, 1378430, 1791959, 3583918, 8959795, 17919590]

約数ペア:

[(1, 17919590), (2, 8959795), (5, 3583918), (10, 1791959), (13, 1378430), (26, 689215), (65, 275686), (130, 137843), (307, 58370), (449, 39910), (614, 29185), (898, 19955), (1535, 11674), (2245, 7982), (3070, 5837), (3991, 4490)]