19195670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{991}}^1$

素因数の和:1160

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 18301930

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 991, 1490, 1937, 1982, 3874, 4955, 9685, 9910, 12883, 19370, 25766, 64415, 128830, 147659, 295318, 738295, 1476590, 1919567, 3839134, 9597835, 19195670]

約数ペア:

[(1, 19195670), (2, 9597835), (5, 3839134), (10, 1919567), (13, 1476590), (26, 738295), (65, 295318), (130, 147659), (149, 128830), (298, 64415), (745, 25766), (991, 19370), (1490, 12883), (1937, 9910), (1982, 9685), (3874, 4955)]