18647955

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2939}}^1$

素因数の和:3000

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 15220845

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 2939, 6345, 8817, 14695, 26451, 44085, 79353, 132255, 138133, 396765, 414399, 690665, 1243197, 2071995, 3729591, 6215985, 18647955]

約数ペア:

[(1, 18647955), (3, 6215985), (5, 3729591), (9, 2071995), (15, 1243197), (27, 690665), (45, 414399), (47, 396765), (135, 138133), (141, 132255), (235, 79353), (423, 44085), (705, 26451), (1269, 14695), (2115, 8817), (2939, 6345)]