19910772

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{8779}}^1$

素因数の和:8802

約数の個数: 60

約数和(自身を含む): 59493280

約数和(自身を除く): 39582508

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 8779, 17558, 26337, 35116, 52674, 61453, 79011, 105348, 122906, 158022, 184359, 237033, 245812, 316044, 368718, 474066, 553077, 711099, 737436, 948132, 1106154, 1422198, 1659231, 2212308, 2844396, 3318462, 4977693, 6636924, 9955386, 19910772]

約数ペア:

[(1, 19910772), (2, 9955386), (3, 6636924), (4, 4977693), (6, 3318462), (7, 2844396), (9, 2212308), (12, 1659231), (14, 1422198), (18, 1106154), (21, 948132), (27, 737436), (28, 711099), (36, 553077), (42, 474066), (54, 368718), (63, 316044), (81, 245812), (84, 237033), (108, 184359), (126, 158022), (162, 122906), (189, 105348), (252, 79011), (324, 61453), (378, 52674), (567, 35116), (756, 26337), (1134, 17558), (2268, 8779)]