19935190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1427}}^1$

素因数の和:1572

約数の個数: 32

約数和(自身を含む): 39481344

約数和(自身を除く): 19546154

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1397, 1427, 2794, 2854, 6985, 7135, 13970, 14270, 15697, 31394, 78485, 156970, 181229, 362458, 906145, 1812290, 1993519, 3987038, 9967595, 19935190]

約数ペア:

[(1, 19935190), (2, 9967595), (5, 3987038), (10, 1993519), (11, 1812290), (22, 906145), (55, 362458), (110, 181229), (127, 156970), (254, 78485), (635, 31394), (1270, 15697), (1397, 14270), (1427, 13970), (2794, 7135), (2854, 6985)]