18807780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18439}}^1$

素因数の和:18468

約数の個数: 48

約数和(自身を含む): 55762560

約数和(自身を除く): 36954780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 18439, 36878, 55317, 73756, 92195, 110634, 184390, 221268, 276585, 313463, 368780, 553170, 626926, 940389, 1106340, 1253852, 1567315, 1880778, 3134630, 3761556, 4701945, 6269260, 9403890, 18807780]

約数ペア:

[(1, 18807780), (2, 9403890), (3, 6269260), (4, 4701945), (5, 3761556), (6, 3134630), (10, 1880778), (12, 1567315), (15, 1253852), (17, 1106340), (20, 940389), (30, 626926), (34, 553170), (51, 368780), (60, 313463), (68, 276585), (85, 221268), (102, 184390), (170, 110634), (204, 92195), (255, 73756), (340, 55317), (510, 36878), (1020, 18439)]