18985173886

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{5673991}}^1$

素因数の和:5674239

約数の個数: 16

約数和(自身を含む): 32682193920

約数和(自身を除く): 13697020034

約数列:

[1, 2, 7, 14, 239, 478, 1673, 3346, 5673991, 11347982, 39717937, 79435874, 1356083849, 2712167698, 9492586943, 18985173886]

約数ペア:

[(1, 18985173886), (2, 9492586943), (7, 2712167698), (14, 1356083849), (239, 79435874), (478, 39717937), (1673, 11347982), (3346, 5673991)]