18931208

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{751}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 37359360

約数和(自身を除く): 18428152

約数列:

[1, 2, 4, 8, 23, 46, 92, 137, 184, 274, 548, 751, 1096, 1502, 3004, 3151, 6008, 6302, 12604, 17273, 25208, 34546, 69092, 102887, 138184, 205774, 411548, 823096, 2366401, 4732802, 9465604, 18931208]

約数ペア:

[(1, 18931208), (2, 9465604), (4, 4732802), (8, 2366401), (23, 823096), (46, 411548), (92, 205774), (137, 138184), (184, 102887), (274, 69092), (548, 34546), (751, 25208), (1096, 17273), (1502, 12604), (3004, 6302), (3151, 6008)]