2018782870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{817321}}^1$

素因数の和:817360

約数の個数: 32

約数和(自身を含む): 4119302880

約数和(自身を除く): 2100520010

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 817321, 1634642, 4086605, 8173210, 10625173, 15529099, 21250346, 31058198, 53125865, 77645495, 106251730, 155290990, 201878287, 403756574, 1009391435, 2018782870]

約数ペア:

[(1, 2018782870), (2, 1009391435), (5, 403756574), (10, 201878287), (13, 155290990), (19, 106251730), (26, 77645495), (38, 53125865), (65, 31058198), (95, 21250346), (130, 15529099), (190, 10625173), (247, 8173210), (494, 4086605), (1235, 1634642), (2470, 817321)]