19821075

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{5623}}^1$

素因数の和:5683

約数の個数: 24

約数和(自身を含む): 33474048

約数和(自身を除く): 13652973

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 5623, 16869, 28115, 84345, 140575, 264281, 421725, 792843, 1321405, 3964215, 6607025, 19821075]

約数ペア:

[(1, 19821075), (3, 6607025), (5, 3964215), (15, 1321405), (25, 792843), (47, 421725), (75, 264281), (141, 140575), (235, 84345), (705, 28115), (1175, 16869), (3525, 5623)]