19198930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2731}}^1$

素因数の和:2794

約数の個数: 32

約数和(自身を含む): 37373760

約数和(自身を除く): 18174830

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 2731, 3515, 5462, 7030, 13655, 27310, 51889, 101047, 103778, 202094, 259445, 505235, 518890, 1010470, 1919893, 3839786, 9599465, 19198930]

約数ペア:

[(1, 19198930), (2, 9599465), (5, 3839786), (10, 1919893), (19, 1010470), (37, 518890), (38, 505235), (74, 259445), (95, 202094), (185, 103778), (190, 101047), (370, 51889), (703, 27310), (1406, 13655), (2731, 7030), (3515, 5462)]