19786936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3119}}^1$

素因数の和:3199

約数の個数: 32

約数和(自身を含む): 40622400

約数和(自身を除く): 20835464

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3119, 3172, 6238, 6344, 12476, 24952, 40547, 81094, 162188, 190259, 324376, 380518, 761036, 1522072, 2473367, 4946734, 9893468, 19786936]

約数ペア:

[(1, 19786936), (2, 9893468), (4, 4946734), (8, 2473367), (13, 1522072), (26, 761036), (52, 380518), (61, 324376), (104, 190259), (122, 162188), (244, 81094), (488, 40547), (793, 24952), (1586, 12476), (3119, 6344), (3172, 6238)]