18729765880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9556003}}^1$

素因数の和:9556028

約数の個数: 48

約数和(自身を含む): 49022300520

約数和(自身を除く): 30292534640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9556003, 19112006, 38224012, 47780015, 66892021, 76448024, 95560030, 133784042, 191120060, 267568084, 334460105, 382240120, 468244147, 535136168, 668920210, 936488294, 1337840420, 1872976588, 2341220735, 2675680840, 3745953176, 4682441470, 9364882940, 18729765880]

約数ペア:

[(1, 18729765880), (2, 9364882940), (4, 4682441470), (5, 3745953176), (7, 2675680840), (8, 2341220735), (10, 1872976588), (14, 1337840420), (20, 936488294), (28, 668920210), (35, 535136168), (40, 468244147), (49, 382240120), (56, 334460105), (70, 267568084), (98, 191120060), (140, 133784042), (196, 95560030), (245, 76448024), (280, 66892021), (392, 47780015), (490, 38224012), (980, 19112006), (1960, 9556003)]