19637211981

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{12541}}^1$

素因数の和:12837

約数の個数: 32

約数和(自身を含む): 27451929600

約数和(自身を除く): 7814717619

約数列:

[1, 3, 31, 93, 113, 149, 339, 447, 3503, 4619, 10509, 12541, 13857, 16837, 37623, 50511, 388771, 521947, 1166313, 1417133, 1565841, 1868609, 4251399, 5605827, 43931123, 57926879, 131793369, 173780637, 211152817, 633458451, 6545737327, 19637211981]

約数ペア:

[(1, 19637211981), (3, 6545737327), (31, 633458451), (93, 211152817), (113, 173780637), (149, 131793369), (339, 57926879), (447, 43931123), (3503, 5605827), (4619, 4251399), (10509, 1868609), (12541, 1565841), (13857, 1417133), (16837, 1166313), (37623, 521947), (50511, 388771)]