19286440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6791}}^1$

素因数の和:6873

約数の個数: 32

約数和(自身を含む): 44012160

約数和(自身を除く): 24725720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 6791, 13582, 27164, 33955, 54328, 67910, 135820, 271640, 482161, 964322, 1928644, 2410805, 3857288, 4821610, 9643220, 19286440]

約数ペア:

[(1, 19286440), (2, 9643220), (4, 4821610), (5, 3857288), (8, 2410805), (10, 1928644), (20, 964322), (40, 482161), (71, 271640), (142, 135820), (284, 67910), (355, 54328), (568, 33955), (710, 27164), (1420, 13582), (2840, 6791)]