18860312

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{743}}^1$

素因数の和:935

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 18637288

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 167, 334, 668, 743, 1336, 1486, 2972, 3173, 5944, 6346, 12692, 14117, 25384, 28234, 56468, 112936, 124081, 248162, 496324, 992648, 2357539, 4715078, 9430156, 18860312]

約数ペア:

[(1, 18860312), (2, 9430156), (4, 4715078), (8, 2357539), (19, 992648), (38, 496324), (76, 248162), (152, 124081), (167, 112936), (334, 56468), (668, 28234), (743, 25384), (1336, 14117), (1486, 12692), (2972, 6346), (3173, 5944)]