19630288

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{20113}}^1$

素因数の和:20182

約数の個数: 20

約数和(自身を含む): 38659108

約数和(自身を除く): 19028820

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 20113, 40226, 80452, 160904, 321808, 1226893, 2453786, 4907572, 9815144, 19630288]

約数ペア:

[(1, 19630288), (2, 9815144), (4, 4907572), (8, 2453786), (16, 1226893), (61, 321808), (122, 160904), (244, 80452), (488, 40226), (976, 20113)]