2019742921

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1\times {\mathrm{821}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 2485728000

約数和(自身を除く): 465985079

約数列:

[1, 7, 19, 53, 133, 349, 371, 821, 1007, 2443, 5747, 6631, 7049, 15599, 18497, 43513, 46417, 109193, 129479, 286529, 304591, 351443, 826747, 2005703, 2460101, 5444051, 5787229, 15186037, 38108357, 106302259, 288534703, 2019742921]

約数ペア:

[(1, 2019742921), (7, 288534703), (19, 106302259), (53, 38108357), (133, 15186037), (349, 5787229), (371, 5444051), (821, 2460101), (1007, 2005703), (2443, 826747), (5747, 351443), (6631, 304591), (7049, 286529), (15599, 129479), (18497, 109193), (43513, 46417)]