19820625

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{31}}^2$

素因数の和:96

約数の個数: 60

約数和(自身を含む): 37225584

約数和(自身を除く): 17404959

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 93, 125, 155, 165, 275, 341, 375, 465, 625, 775, 825, 961, 1023, 1375, 1705, 1875, 2325, 2883, 3875, 4125, 4805, 5115, 6875, 8525, 10571, 11625, 14415, 19375, 20625, 24025, 25575, 31713, 42625, 52855, 58125, 72075, 120125, 127875, 158565, 213125, 264275, 360375, 600625, 639375, 792825, 1321375, 1801875, 3964125, 6606875, 19820625]

約数ペア:

[(1, 19820625), (3, 6606875), (5, 3964125), (11, 1801875), (15, 1321375), (25, 792825), (31, 639375), (33, 600625), (55, 360375), (75, 264275), (93, 213125), (125, 158565), (155, 127875), (165, 120125), (275, 72075), (341, 58125), (375, 52855), (465, 42625), (625, 31713), (775, 25575), (825, 24025), (961, 20625), (1023, 19375), (1375, 14415), (1705, 11625), (1875, 10571), (2325, 8525), (2883, 6875), (3875, 5115), (4125, 4805)]