19840455

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5581}}^1$

素因数の和:5671

約数の個数: 24

約数和(自身を含む): 34831680

約数和(自身を除く): 14991225

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 1185, 3555, 5581, 16743, 27905, 50229, 83715, 251145, 440899, 1322697, 2204495, 3968091, 6613485, 19840455]

約数ペア:

[(1, 19840455), (3, 6613485), (5, 3968091), (9, 2204495), (15, 1322697), (45, 440899), (79, 251145), (237, 83715), (395, 50229), (711, 27905), (1185, 16743), (3555, 5581)]