19934920

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8447}}^1$

素因数の和:8517

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 25684280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8447, 16894, 33788, 42235, 67576, 84470, 168940, 337880, 498373, 996746, 1993492, 2491865, 3986984, 4983730, 9967460, 19934920]

約数ペア:

[(1, 19934920), (2, 9967460), (4, 4983730), (5, 3986984), (8, 2491865), (10, 1993492), (20, 996746), (40, 498373), (59, 337880), (118, 168940), (236, 84470), (295, 67576), (472, 42235), (590, 33788), (1180, 16894), (2360, 8447)]