15840942

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4723}}^1$

素因数の和:4784

約数の個数: 32

約数和(自身を含む): 34919808

約数和(自身を除く): 19078866

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 4723, 9446, 14169, 28338, 61399, 122798, 184197, 203089, 368394, 406178, 609267, 1218534, 2640157, 5280314, 7920471, 15840942]

約数ペア:

[(1, 15840942), (2, 7920471), (3, 5280314), (6, 2640157), (13, 1218534), (26, 609267), (39, 406178), (43, 368394), (78, 203089), (86, 184197), (129, 122798), (258, 61399), (559, 28338), (1118, 14169), (1677, 9446), (3354, 4723)]