2019413812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1\times {\mathrm{647}}^1$

素因数の和:1168

約数の個数: 48

約数和(自身を含む): 3843770112

約数和(自身を除く): 1824356300

約数列:

[1, 2, 4, 13, 26, 52, 193, 311, 386, 622, 647, 772, 1244, 1294, 2509, 2588, 4043, 5018, 8086, 8411, 10036, 16172, 16822, 33644, 60023, 120046, 124871, 201217, 240092, 249742, 402434, 499484, 780299, 804868, 1560598, 1623323, 2615821, 3121196, 3246646, 5231642, 6493292, 10463284, 38834881, 77669762, 155339524, 504853453, 1009706906, 2019413812]

約数ペア:

[(1, 2019413812), (2, 1009706906), (4, 504853453), (13, 155339524), (26, 77669762), (52, 38834881), (193, 10463284), (311, 6493292), (386, 5231642), (622, 3246646), (647, 3121196), (772, 2615821), (1244, 1623323), (1294, 1560598), (2509, 804868), (2588, 780299), (4043, 499484), (5018, 402434), (8086, 249742), (8411, 240092), (10036, 201217), (16172, 124871), (16822, 120046), (33644, 60023)]