19691030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2801}}^1$

素因数の和:2864

約数の個数: 32

約数和(自身を含む): 38331360

約数和(自身を除く): 18640330

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 2801, 3515, 5602, 7030, 14005, 28010, 53219, 103637, 106438, 207274, 266095, 518185, 532190, 1036370, 1969103, 3938206, 9845515, 19691030]

約数ペア:

[(1, 19691030), (2, 9845515), (5, 3938206), (10, 1969103), (19, 1036370), (37, 532190), (38, 518185), (74, 266095), (95, 207274), (185, 106438), (190, 103637), (370, 53219), (703, 28010), (1406, 14005), (2801, 7030), (3515, 5602)]