19051515

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:2000

約数の個数: 48

約数和(自身を含む): 38977536

約数和(自身を除く): 19926021

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1951, 1953, 3255, 5853, 9755, 9765, 13657, 17559, 29265, 40971, 60481, 68285, 87795, 122913, 181443, 204855, 302405, 423367, 544329, 614565, 907215, 1270101, 2116835, 2721645, 3810303, 6350505, 19051515]

約数ペア:

[(1, 19051515), (3, 6350505), (5, 3810303), (7, 2721645), (9, 2116835), (15, 1270101), (21, 907215), (31, 614565), (35, 544329), (45, 423367), (63, 302405), (93, 204855), (105, 181443), (155, 122913), (217, 87795), (279, 68285), (315, 60481), (465, 40971), (651, 29265), (1085, 17559), (1395, 13657), (1951, 9765), (1953, 9755), (3255, 5853)]