19831000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{2833}}^1$

素因数の和:2861

約数の個数: 64

約数和(自身を含む): 53052480

約数和(自身を除く): 33221480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 2833, 3500, 5666, 7000, 11332, 14165, 19831, 22664, 28330, 39662, 56660, 70825, 79324, 99155, 113320, 141650, 158648, 198310, 283300, 354125, 396620, 495775, 566600, 708250, 793240, 991550, 1416500, 1983100, 2478875, 2833000, 3966200, 4957750, 9915500, 19831000]

約数ペア:

[(1, 19831000), (2, 9915500), (4, 4957750), (5, 3966200), (7, 2833000), (8, 2478875), (10, 1983100), (14, 1416500), (20, 991550), (25, 793240), (28, 708250), (35, 566600), (40, 495775), (50, 396620), (56, 354125), (70, 283300), (100, 198310), (125, 158648), (140, 141650), (175, 113320), (200, 99155), (250, 79324), (280, 70825), (350, 56660), (500, 39662), (700, 28330), (875, 22664), (1000, 19831), (1400, 14165), (1750, 11332), (2833, 7000), (3500, 5666)]