19848556

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1814

約数の個数: 48

約数和(自身を含む): 44154880

約数和(自身を除く): 24306324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 1759, 2821, 3518, 5642, 7036, 11284, 12313, 22867, 24626, 45734, 49252, 54529, 91468, 109058, 160069, 218116, 320138, 381703, 640276, 708877, 763406, 1417754, 1526812, 2835508, 4962139, 9924278, 19848556]

約数ペア:

[(1, 19848556), (2, 9924278), (4, 4962139), (7, 2835508), (13, 1526812), (14, 1417754), (26, 763406), (28, 708877), (31, 640276), (52, 381703), (62, 320138), (91, 218116), (124, 160069), (182, 109058), (217, 91468), (364, 54529), (403, 49252), (434, 45734), (806, 24626), (868, 22867), (1612, 12313), (1759, 11284), (2821, 7036), (3518, 5642)]