18665580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6619}}^1$

素因数の和:6678

約数の個数: 48

約数和(自身を含む): 53383680

約数和(自身を除く): 34718100

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, 6619, 13238, 19857, 26476, 33095, 39714, 66190, 79428, 99285, 132380, 198570, 311093, 397140, 622186, 933279, 1244372, 1555465, 1866558, 3110930, 3733116, 4666395, 6221860, 9332790, 18665580]

約数ペア:

[(1, 18665580), (2, 9332790), (3, 6221860), (4, 4666395), (5, 3733116), (6, 3110930), (10, 1866558), (12, 1555465), (15, 1244372), (20, 933279), (30, 622186), (47, 397140), (60, 311093), (94, 198570), (141, 132380), (188, 99285), (235, 79428), (282, 66190), (470, 39714), (564, 33095), (705, 26476), (940, 19857), (1410, 13238), (2820, 6619)]