201919430

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{2081}}^1$

素因数の和:2432

約数の個数: 32

約数和(自身を含む): 376558848

約数和(自身を除く): 174639418

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 313, 626, 1565, 2081, 3130, 4162, 9703, 10405, 19406, 20810, 48515, 64511, 97030, 129022, 322555, 645110, 651353, 1302706, 3256765, 6513530, 20191943, 40383886, 100959715, 201919430]

約数ペア:

[(1, 201919430), (2, 100959715), (5, 40383886), (10, 20191943), (31, 6513530), (62, 3256765), (155, 1302706), (310, 651353), (313, 645110), (626, 322555), (1565, 129022), (2081, 97030), (3130, 64511), (4162, 48515), (9703, 20810), (10405, 19406)]