2019418660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{22433}}^1$

素因数の和:23092

約数の個数: 48

約数和(自身を含む): 4854358656

約数和(自身を除く): 2834939996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 643, 1286, 2572, 3215, 4501, 6430, 9002, 12860, 18004, 22433, 22505, 44866, 45010, 89732, 90020, 112165, 157031, 224330, 314062, 448660, 628124, 785155, 1570310, 3140620, 14424419, 28848838, 57697676, 72122095, 100970933, 144244190, 201941866, 288488380, 403883732, 504854665, 1009709330, 2019418660]

約数ペア:

[(1, 2019418660), (2, 1009709330), (4, 504854665), (5, 403883732), (7, 288488380), (10, 201941866), (14, 144244190), (20, 100970933), (28, 72122095), (35, 57697676), (70, 28848838), (140, 14424419), (643, 3140620), (1286, 1570310), (2572, 785155), (3215, 628124), (4501, 448660), (6430, 314062), (9002, 224330), (12860, 157031), (18004, 112165), (22433, 90020), (22505, 89732), (44866, 45010)]