18554130

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{9817}}^1$

素因数の和:9840

約数の個数: 64

約数和(自身を含む): 56551680

約数和(自身を除く): 37997550

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 9817, 19634, 29451, 49085, 58902, 68719, 88353, 98170, 137438, 147255, 176706, 206157, 265059, 294510, 343595, 412314, 441765, 530118, 618471, 687190, 883530, 1030785, 1236942, 1325295, 1855413, 2061570, 2650590, 3092355, 3710826, 6184710, 9277065, 18554130]

約数ペア:

[(1, 18554130), (2, 9277065), (3, 6184710), (5, 3710826), (6, 3092355), (7, 2650590), (9, 2061570), (10, 1855413), (14, 1325295), (15, 1236942), (18, 1030785), (21, 883530), (27, 687190), (30, 618471), (35, 530118), (42, 441765), (45, 412314), (54, 343595), (63, 294510), (70, 265059), (90, 206157), (105, 176706), (126, 147255), (135, 137438), (189, 98170), (210, 88353), (270, 68719), (315, 58902), (378, 49085), (630, 29451), (945, 19634), (1890, 9817)]