20180321895

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10939}}^1\times {\mathrm{6473}}^1$

素因数の和:17439

約数の個数: 32

約数和(自身を含む): 33996268800

約数和(自身を除く): 13815946905

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 6473, 10939, 19419, 32365, 32817, 54695, 97095, 122987, 164085, 207841, 368961, 614935, 623523, 1039205, 1844805, 3117615, 70808147, 212424441, 354040735, 1062122205, 1345354793, 4036064379, 6726773965, 20180321895]

約数ペア:

[(1, 20180321895), (3, 6726773965), (5, 4036064379), (15, 1345354793), (19, 1062122205), (57, 354040735), (95, 212424441), (285, 70808147), (6473, 3117615), (10939, 1844805), (19419, 1039205), (32365, 623523), (32817, 614935), (54695, 368961), (97095, 207841), (122987, 164085)]