18628982

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{1109}}^1$

素因数の和:1375

約数の個数: 16

約数和(自身を含む): 28851120

約数和(自身を除く): 10222138

約数列:

[1, 2, 37, 74, 227, 454, 1109, 2218, 8399, 16798, 41033, 82066, 251743, 503486, 9314491, 18628982]

約数ペア:

[(1, 18628982), (2, 9314491), (37, 503486), (74, 251743), (227, 82066), (454, 41033), (1109, 16798), (2218, 8399)]