18694935

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 38645760

約数和(自身を除く): 19950825

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 73, 105, 135, 189, 219, 271, 315, 365, 511, 657, 813, 945, 1095, 1355, 1533, 1897, 1971, 2439, 2555, 3285, 4065, 4599, 5691, 7317, 7665, 9485, 9855, 12195, 13797, 17073, 19783, 22995, 28455, 36585, 51219, 59349, 68985, 85365, 98915, 138481, 178047, 256095, 296745, 415443, 534141, 692405, 890235, 1246329, 2077215, 2670705, 3738987, 6231645, 18694935]

約数ペア:

[(1, 18694935), (3, 6231645), (5, 3738987), (7, 2670705), (9, 2077215), (15, 1246329), (21, 890235), (27, 692405), (35, 534141), (45, 415443), (63, 296745), (73, 256095), (105, 178047), (135, 138481), (189, 98915), (219, 85365), (271, 68985), (315, 59349), (365, 51219), (511, 36585), (657, 28455), (813, 22995), (945, 19783), (1095, 17073), (1355, 13797), (1533, 12195), (1897, 9855), (1971, 9485), (2439, 7665), (2555, 7317), (3285, 5691), (4065, 4599)]