18805290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{601}}^1$

素因数の和:767

約数の個数: 64

約数和(自身を含む): 52012800

約数和(自身を除く): 33207510

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 149, 210, 298, 447, 601, 745, 894, 1043, 1202, 1490, 1803, 2086, 2235, 3005, 3129, 3606, 4207, 4470, 5215, 6010, 6258, 8414, 9015, 10430, 12621, 15645, 18030, 21035, 25242, 31290, 42070, 63105, 89549, 126210, 179098, 268647, 447745, 537294, 626843, 895490, 1253686, 1343235, 1880529, 2686470, 3134215, 3761058, 6268430, 9402645, 18805290]

約数ペア:

[(1, 18805290), (2, 9402645), (3, 6268430), (5, 3761058), (6, 3134215), (7, 2686470), (10, 1880529), (14, 1343235), (15, 1253686), (21, 895490), (30, 626843), (35, 537294), (42, 447745), (70, 268647), (105, 179098), (149, 126210), (210, 89549), (298, 63105), (447, 42070), (601, 31290), (745, 25242), (894, 21035), (1043, 18030), (1202, 15645), (1490, 12621), (1803, 10430), (2086, 9015), (2235, 8414), (3005, 6258), (3129, 6010), (3606, 5215), (4207, 4470)]