19022420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{443}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 42517440

約数和(自身を除く): 23495020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 113, 190, 226, 380, 443, 452, 565, 886, 1130, 1772, 2147, 2215, 2260, 4294, 4430, 8417, 8588, 8860, 10735, 16834, 21470, 33668, 42085, 42940, 50059, 84170, 100118, 168340, 200236, 250295, 500590, 951121, 1001180, 1902242, 3804484, 4755605, 9511210, 19022420]

約数ペア:

[(1, 19022420), (2, 9511210), (4, 4755605), (5, 3804484), (10, 1902242), (19, 1001180), (20, 951121), (38, 500590), (76, 250295), (95, 200236), (113, 168340), (190, 100118), (226, 84170), (380, 50059), (443, 42940), (452, 42085), (565, 33668), (886, 21470), (1130, 16834), (1772, 10735), (2147, 8860), (2215, 8588), (2260, 8417), (4294, 4430)]