19626872

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1191

約数の個数: 32

約数和(自身を含む): 38449920

約数和(自身を除く): 18823048

約数列:

[1, 2, 4, 8, 37, 61, 74, 122, 148, 244, 296, 488, 1087, 2174, 2257, 4348, 4514, 8696, 9028, 18056, 40219, 66307, 80438, 132614, 160876, 265228, 321752, 530456, 2453359, 4906718, 9813436, 19626872]

約数ペア:

[(1, 19626872), (2, 9813436), (4, 4906718), (8, 2453359), (37, 530456), (61, 321752), (74, 265228), (122, 160876), (148, 132614), (244, 80438), (296, 66307), (488, 40219), (1087, 18056), (2174, 9028), (2257, 8696), (4348, 4514)]