19990322499

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1423}}^1\times {\mathrm{2179}}^1$

素因数の和:3919

約数の個数: 32

約数和(自身を含む): 30596177920

約数和(自身を除く): 10605855421

約数列:

[1, 3, 7, 21, 307, 921, 1423, 2149, 2179, 4269, 6447, 6537, 9961, 15253, 29883, 45759, 436861, 668953, 1310583, 2006859, 3058027, 3100717, 4682671, 9174081, 9302151, 14048013, 21705019, 65115057, 951920119, 2855760357, 6663440833, 19990322499]

約数ペア:

[(1, 19990322499), (3, 6663440833), (7, 2855760357), (21, 951920119), (307, 65115057), (921, 21705019), (1423, 14048013), (2149, 9302151), (2179, 9174081), (4269, 4682671), (6447, 3100717), (6537, 3058027), (9961, 2006859), (15253, 1310583), (29883, 668953), (45759, 436861)]