19513109090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^2\times {\mathrm{1069}}^1$

素因数の和:1539

約数の個数: 48

約数和(自身を含む): 36185418360

約数和(自身を除く): 16672309270

約数列:

[1, 2, 5, 10, 41, 82, 205, 211, 410, 422, 1055, 1069, 2110, 2138, 5345, 8651, 10690, 17302, 43255, 43829, 44521, 86510, 87658, 89042, 219145, 222605, 225559, 438290, 445210, 451118, 1127795, 1825361, 2255590, 3650722, 9126805, 9247919, 18253610, 18495838, 46239595, 47592949, 92479190, 95185898, 237964745, 475929490, 1951310909, 3902621818, 9756554545, 19513109090]

約数ペア:

[(1, 19513109090), (2, 9756554545), (5, 3902621818), (10, 1951310909), (41, 475929490), (82, 237964745), (205, 95185898), (211, 92479190), (410, 47592949), (422, 46239595), (1055, 18495838), (1069, 18253610), (2110, 9247919), (2138, 9126805), (5345, 3650722), (8651, 2255590), (10690, 1825361), (17302, 1127795), (43255, 451118), (43829, 445210), (44521, 438290), (86510, 225559), (87658, 222605), (89042, 219145)]