19785945

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 32716800

約数和(自身を除く): 12930855

約数列:

[1, 3, 5, 15, 59, 79, 177, 237, 283, 295, 395, 849, 885, 1185, 1415, 4245, 4661, 13983, 16697, 22357, 23305, 50091, 67071, 69915, 83485, 111785, 250455, 335355, 1319063, 3957189, 6595315, 19785945]

約数ペア:

[(1, 19785945), (3, 6595315), (5, 3957189), (15, 1319063), (59, 335355), (79, 250455), (177, 111785), (237, 83485), (283, 69915), (295, 67071), (395, 50091), (849, 23305), (885, 22357), (1185, 16697), (1415, 13983), (4245, 4661)]