20171851910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1448087}}^1$

素因数の和:1448300

約数の個数: 32

約数和(自身を含む): 41704934400

約数和(自身を除く): 21533082490

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 995, 1393, 1990, 2786, 6965, 13930, 1448087, 2896174, 7240435, 10136609, 14480870, 20273218, 50683045, 101366090, 288169313, 576338626, 1440846565, 2017185191, 2881693130, 4034370382, 10085925955, 20171851910]

約数ペア:

[(1, 20171851910), (2, 10085925955), (5, 4034370382), (7, 2881693130), (10, 2017185191), (14, 1440846565), (35, 576338626), (70, 288169313), (199, 101366090), (398, 50683045), (995, 20273218), (1393, 14480870), (1990, 10136609), (2786, 7240435), (6965, 2896174), (13930, 1448087)]