17647980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{42019}}^1$

素因数の和:42038

約数の個数: 48

約数和(自身を含む): 56474880

約数和(自身を除く): 38826900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 42019, 84038, 126057, 168076, 210095, 252114, 294133, 420190, 504228, 588266, 630285, 840380, 882399, 1176532, 1260570, 1470665, 1764798, 2521140, 2941330, 3529596, 4411995, 5882660, 8823990, 17647980]

約数ペア:

[(1, 17647980), (2, 8823990), (3, 5882660), (4, 4411995), (5, 3529596), (6, 2941330), (7, 2521140), (10, 1764798), (12, 1470665), (14, 1260570), (15, 1176532), (20, 882399), (21, 840380), (28, 630285), (30, 588266), (35, 504228), (42, 420190), (60, 294133), (70, 252114), (84, 210095), (105, 168076), (140, 126057), (210, 84038), (420, 42019)]