19138125

素因数分解:

$3^1\times 5^4\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 40

約数和(自身を含む): 32614560

約数和(自身を除く): 13476435

約数列:

[1, 3, 5, 15, 25, 59, 75, 125, 173, 177, 295, 375, 519, 625, 865, 885, 1475, 1875, 2595, 4325, 4425, 7375, 10207, 12975, 21625, 22125, 30621, 36875, 51035, 64875, 108125, 110625, 153105, 255175, 324375, 765525, 1275875, 3827625, 6379375, 19138125]

約数ペア:

[(1, 19138125), (3, 6379375), (5, 3827625), (15, 1275875), (25, 765525), (59, 324375), (75, 255175), (125, 153105), (173, 110625), (177, 108125), (295, 64875), (375, 51035), (519, 36875), (625, 30621), (865, 22125), (885, 21625), (1475, 12975), (1875, 10207), (2595, 7375), (4325, 4425)]