18807942

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{271}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 19968378

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 269, 271, 538, 542, 807, 813, 1614, 1626, 11567, 11653, 23134, 23306, 34701, 34959, 69402, 69918, 72899, 145798, 218697, 437394, 3134657, 6269314, 9403971, 18807942]

約数ペア:

[(1, 18807942), (2, 9403971), (3, 6269314), (6, 3134657), (43, 437394), (86, 218697), (129, 145798), (258, 72899), (269, 69918), (271, 69402), (538, 34959), (542, 34701), (807, 23306), (813, 23134), (1614, 11653), (1626, 11567)]