19280625

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:156

約数の個数: 80

約数和(自身を含む): 39887232

約数和(自身を除く): 20606607

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 113, 125, 175, 195, 273, 325, 339, 375, 455, 525, 565, 625, 791, 875, 975, 1365, 1469, 1625, 1695, 1875, 2275, 2373, 2625, 2825, 3955, 4375, 4407, 4875, 6825, 7345, 8125, 8475, 10283, 11375, 11865, 13125, 14125, 19775, 22035, 24375, 30849, 34125, 36725, 42375, 51415, 56875, 59325, 70625, 98875, 110175, 154245, 170625, 183625, 211875, 257075, 296625, 494375, 550875, 771225, 918125, 1285375, 1483125, 2754375, 3856125, 6426875, 19280625]

約数ペア:

[(1, 19280625), (3, 6426875), (5, 3856125), (7, 2754375), (13, 1483125), (15, 1285375), (21, 918125), (25, 771225), (35, 550875), (39, 494375), (65, 296625), (75, 257075), (91, 211875), (105, 183625), (113, 170625), (125, 154245), (175, 110175), (195, 98875), (273, 70625), (325, 59325), (339, 56875), (375, 51415), (455, 42375), (525, 36725), (565, 34125), (625, 30849), (791, 24375), (875, 22035), (975, 19775), (1365, 14125), (1469, 13125), (1625, 11865), (1695, 11375), (1875, 10283), (2275, 8475), (2373, 8125), (2625, 7345), (2825, 6825), (3955, 4875), (4375, 4407)]