19666510

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 36352800

約数和(自身を除く): 16686290

約数列:

[1, 2, 5, 10, 67, 134, 149, 197, 298, 335, 394, 670, 745, 985, 1490, 1970, 9983, 13199, 19966, 26398, 29353, 49915, 58706, 65995, 99830, 131990, 146765, 293530, 1966651, 3933302, 9833255, 19666510]

約数ペア:

[(1, 19666510), (2, 9833255), (5, 3933302), (10, 1966651), (67, 293530), (134, 146765), (149, 131990), (197, 99830), (298, 65995), (335, 58706), (394, 49915), (670, 29353), (745, 26398), (985, 19966), (1490, 13199), (1970, 9983)]