19868175

素因数分解:

$3^2\times 5^2\times {\mathrm{227}}^1\times {\mathrm{389}}^1$

素因数の和:632

約数の個数: 36

約数和(自身を含む): 35834760

約数和(自身を除く): 15966585

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 227, 389, 681, 1135, 1167, 1945, 2043, 3405, 3501, 5675, 5835, 9725, 10215, 17025, 17505, 29175, 51075, 87525, 88303, 264909, 441515, 794727, 1324545, 2207575, 3973635, 6622725, 19868175]

約数ペア:

[(1, 19868175), (3, 6622725), (5, 3973635), (9, 2207575), (15, 1324545), (25, 794727), (45, 441515), (75, 264909), (225, 88303), (227, 87525), (389, 51075), (681, 29175), (1135, 17505), (1167, 17025), (1945, 10215), (2043, 9725), (3405, 5835), (3501, 5675)]