19903095952

素因数分解:

$2^4\times {\mathrm{20231}}^1\times {\mathrm{61487}}^1$

素因数の和:81726

約数の個数: 20

約数和(自身を含む): 38564781696

約数和(自身を除く): 18661685744

約数列:

[1, 2, 4, 8, 16, 20231, 40462, 61487, 80924, 122974, 161848, 245948, 323696, 491896, 983792, 1243943497, 2487886994, 4975773988, 9951547976, 19903095952]

約数ペア:

[(1, 19903095952), (2, 9951547976), (4, 4975773988), (8, 2487886994), (16, 1243943497), (20231, 983792), (40462, 491896), (61487, 323696), (80924, 245948), (122974, 161848)]