19299020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{373}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 43982400

約数和(自身を除く): 24683380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 373, 398, 746, 796, 995, 1492, 1865, 1990, 2587, 3730, 3980, 4849, 5174, 7460, 9698, 10348, 12935, 19396, 24245, 25870, 48490, 51740, 74227, 96980, 148454, 296908, 371135, 742270, 964951, 1484540, 1929902, 3859804, 4824755, 9649510, 19299020]

約数ペア:

[(1, 19299020), (2, 9649510), (4, 4824755), (5, 3859804), (10, 1929902), (13, 1484540), (20, 964951), (26, 742270), (52, 371135), (65, 296908), (130, 148454), (199, 96980), (260, 74227), (373, 51740), (398, 48490), (746, 25870), (796, 24245), (995, 19396), (1492, 12935), (1865, 10348), (1990, 9698), (2587, 7460), (3730, 5174), (3980, 4849)]