18943665

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5113}}^1$

素因数の和:5153

約数の個数: 32

約数和(自身を含む): 34366080

約数和(自身を除く): 15422415

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 5113, 15339, 25565, 66469, 76695, 97147, 199407, 291441, 332345, 485735, 997035, 1262911, 1457205, 3788733, 6314555, 18943665]

約数ペア:

[(1, 18943665), (3, 6314555), (5, 3788733), (13, 1457205), (15, 1262911), (19, 997035), (39, 485735), (57, 332345), (65, 291441), (95, 199407), (195, 97147), (247, 76695), (285, 66469), (741, 25565), (1235, 15339), (3705, 5113)]