18854768

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{673}}^1$

素因数の和:801

約数の個数: 40

約数和(自身を含む): 39113568

約数和(自身を除く): 20258800

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 103, 136, 206, 272, 412, 673, 824, 1346, 1648, 1751, 2692, 3502, 5384, 7004, 10768, 11441, 14008, 22882, 28016, 45764, 69319, 91528, 138638, 183056, 277276, 554552, 1109104, 1178423, 2356846, 4713692, 9427384, 18854768]

約数ペア:

[(1, 18854768), (2, 9427384), (4, 4713692), (8, 2356846), (16, 1178423), (17, 1109104), (34, 554552), (68, 277276), (103, 183056), (136, 138638), (206, 91528), (272, 69319), (412, 45764), (673, 28016), (824, 22882), (1346, 14008), (1648, 11441), (1751, 10768), (2692, 7004), (3502, 5384)]