18801585

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1151}}^1$

素因数の和:1187

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 17970255

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 121, 135, 165, 297, 363, 495, 605, 1089, 1151, 1485, 1815, 3267, 3453, 5445, 5755, 10359, 12661, 16335, 17265, 31077, 37983, 51795, 63305, 113949, 139271, 155385, 189915, 341847, 417813, 569745, 696355, 1253439, 1709235, 2089065, 3760317, 6267195, 18801585]

約数ペア:

[(1, 18801585), (3, 6267195), (5, 3760317), (9, 2089065), (11, 1709235), (15, 1253439), (27, 696355), (33, 569745), (45, 417813), (55, 341847), (99, 189915), (121, 155385), (135, 139271), (165, 113949), (297, 63305), (363, 51795), (495, 37983), (605, 31077), (1089, 17265), (1151, 16335), (1485, 12661), (1815, 10359), (3267, 5755), (3453, 5445)]