2019031885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{907}}^1\times {\mathrm{1489}}^1$

素因数の和:2437

約数の個数: 32

約数和(自身を含む): 2727486720

約数和(自身を除く): 708454835

約数列:

[1, 5, 13, 23, 65, 115, 299, 907, 1489, 1495, 4535, 7445, 11791, 19357, 20861, 34247, 58955, 96785, 104305, 171235, 271193, 445211, 1350523, 1355965, 2226055, 6752615, 17556799, 31062029, 87783995, 155310145, 403806377, 2019031885]

約数ペア:

[(1, 2019031885), (5, 403806377), (13, 155310145), (23, 87783995), (65, 31062029), (115, 17556799), (299, 6752615), (907, 2226055), (1489, 1355965), (1495, 1350523), (4535, 445211), (7445, 271193), (11791, 171235), (19357, 104305), (20861, 96785), (34247, 58955)]