19855785

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{859}}^1$

素因数の和:957

約数の個数: 32

約数和(自身を含む): 33684480

約数和(自身を除く): 13828695

約数列:

[1, 3, 5, 15, 23, 67, 69, 115, 201, 335, 345, 859, 1005, 1541, 2577, 4295, 4623, 7705, 12885, 19757, 23115, 57553, 59271, 98785, 172659, 287765, 296355, 863295, 1323719, 3971157, 6618595, 19855785]

約数ペア:

[(1, 19855785), (3, 6618595), (5, 3971157), (15, 1323719), (23, 863295), (67, 296355), (69, 287765), (115, 172659), (201, 98785), (335, 59271), (345, 57553), (859, 23115), (1005, 19757), (1541, 12885), (2577, 7705), (4295, 4623)]