19755828

素因数分解:

$2^2\times 3^2\times {\mathrm{503}}^1\times {\mathrm{1091}}^1$

素因数の和:1604

約数の個数: 36

約数和(自身を含む): 50083488

約数和(自身を除く): 30327660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 503, 1006, 1091, 1509, 2012, 2182, 3018, 3273, 4364, 4527, 6036, 6546, 9054, 9819, 13092, 18108, 19638, 39276, 548773, 1097546, 1646319, 2195092, 3292638, 4938957, 6585276, 9877914, 19755828]

約数ペア:

[(1, 19755828), (2, 9877914), (3, 6585276), (4, 4938957), (6, 3292638), (9, 2195092), (12, 1646319), (18, 1097546), (36, 548773), (503, 39276), (1006, 19638), (1091, 18108), (1509, 13092), (2012, 9819), (2182, 9054), (3018, 6546), (3273, 6036), (4364, 4527)]