18837630

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{9967}}^1$

素因数の和:9990

約数の個数: 64

約数和(自身を含む): 57415680

約数和(自身を除く): 38578050

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, 9967, 19934, 29901, 49835, 59802, 69769, 89703, 99670, 139538, 149505, 179406, 209307, 269109, 299010, 348845, 418614, 448515, 538218, 627921, 697690, 897030, 1046535, 1255842, 1345545, 1883763, 2093070, 2691090, 3139605, 3767526, 6279210, 9418815, 18837630]

約数ペア:

[(1, 18837630), (2, 9418815), (3, 6279210), (5, 3767526), (6, 3139605), (7, 2691090), (9, 2093070), (10, 1883763), (14, 1345545), (15, 1255842), (18, 1046535), (21, 897030), (27, 697690), (30, 627921), (35, 538218), (42, 448515), (45, 418614), (54, 348845), (63, 299010), (70, 269109), (90, 209307), (105, 179406), (126, 149505), (135, 139538), (189, 99670), (210, 89703), (270, 69769), (315, 59802), (378, 49835), (630, 29901), (945, 19934), (1890, 9967)]