19553553

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{563}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 30090528

約数和(自身を除く): 10536975

約数列:

[1, 3, 9, 17, 51, 153, 227, 563, 681, 1689, 2043, 3859, 5067, 9571, 11577, 28713, 34731, 86139, 127801, 383403, 1150209, 2172617, 6517851, 19553553]

約数ペア:

[(1, 19553553), (3, 6517851), (9, 2172617), (17, 1150209), (51, 383403), (153, 127801), (227, 86139), (563, 34731), (681, 28713), (1689, 11577), (2043, 9571), (3859, 5067)]