19468475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1619}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 26717040

約数和(自身を除く): 7248565

約数列:

[1, 5, 13, 25, 37, 65, 185, 325, 481, 925, 1619, 2405, 8095, 12025, 21047, 40475, 59903, 105235, 299515, 526175, 778739, 1497575, 3893695, 19468475]

約数ペア:

[(1, 19468475), (5, 3893695), (13, 1497575), (25, 778739), (37, 526175), (65, 299515), (185, 105235), (325, 59903), (481, 40475), (925, 21047), (1619, 12025), (2405, 8095)]