18984210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{90401}}^1$

素因数の和:90418

約数の個数: 32

約数和(自身を含む): 52071552

約数和(自身を除く): 33087342

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 90401, 180802, 271203, 452005, 542406, 632807, 904010, 1265614, 1356015, 1898421, 2712030, 3164035, 3796842, 6328070, 9492105, 18984210]

約数ペア:

[(1, 18984210), (2, 9492105), (3, 6328070), (5, 3796842), (6, 3164035), (7, 2712030), (10, 1898421), (14, 1356015), (15, 1265614), (21, 904010), (30, 632807), (35, 542406), (42, 452005), (70, 271203), (105, 180802), (210, 90401)]