19407973390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6490961}}^1$

素因数の和:6491004

約数の個数: 32

約数和(自身を含む): 39257338176

約数和(自身を除く): 19849364786

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6490961, 12981922, 32454805, 64909610, 84382493, 149292103, 168764986, 298584206, 421912465, 746460515, 843824930, 1492921030, 1940797339, 3881594678, 9703986695, 19407973390]

約数ペア:

[(1, 19407973390), (2, 9703986695), (5, 3881594678), (10, 1940797339), (13, 1492921030), (23, 843824930), (26, 746460515), (46, 421912465), (65, 298584206), (115, 168764986), (130, 149292103), (230, 84382493), (299, 64909610), (598, 32454805), (1495, 12981922), (2990, 6490961)]