19268355

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 31868928

約数和(自身を除く): 12600573

約数列:

[1, 3, 5, 15, 47, 141, 151, 181, 235, 453, 543, 705, 755, 905, 2265, 2715, 7097, 8507, 21291, 25521, 27331, 35485, 42535, 81993, 106455, 127605, 136655, 409965, 1284557, 3853671, 6422785, 19268355]

約数ペア:

[(1, 19268355), (3, 6422785), (5, 3853671), (15, 1284557), (47, 409965), (141, 136655), (151, 127605), (181, 106455), (235, 81993), (453, 42535), (543, 35485), (705, 27331), (755, 25521), (905, 21291), (2265, 8507), (2715, 7097)]