18107220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6421}}^1$

素因数の和:6480

約数の個数: 48

約数和(自身を含む): 51787008

約数和(自身を除く): 33679788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 6421, 12842, 19263, 25684, 32105, 38526, 64210, 77052, 96315, 128420, 192630, 301787, 385260, 603574, 905361, 1207148, 1508935, 1810722, 3017870, 3621444, 4526805, 6035740, 9053610, 18107220]

約数ペア:

[(1, 18107220), (2, 9053610), (3, 6035740), (4, 4526805), (5, 3621444), (6, 3017870), (10, 1810722), (12, 1508935), (15, 1207148), (20, 905361), (30, 603574), (47, 385260), (60, 301787), (94, 192630), (141, 128420), (188, 96315), (235, 77052), (282, 64210), (470, 38526), (564, 32105), (705, 25684), (940, 19263), (1410, 12842), (2820, 6421)]