19188420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1327}}^1$

素因数の和:1580

約数の個数: 48

約数和(自身を含む): 53991168

約数和(自身を除く): 34802748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1205, 1327, 1446, 2410, 2654, 2892, 3615, 3981, 4820, 5308, 6635, 7230, 7962, 13270, 14460, 15924, 19905, 26540, 39810, 79620, 319807, 639614, 959421, 1279228, 1599035, 1918842, 3198070, 3837684, 4797105, 6396140, 9594210, 19188420]

約数ペア:

[(1, 19188420), (2, 9594210), (3, 6396140), (4, 4797105), (5, 3837684), (6, 3198070), (10, 1918842), (12, 1599035), (15, 1279228), (20, 959421), (30, 639614), (60, 319807), (241, 79620), (482, 39810), (723, 26540), (964, 19905), (1205, 15924), (1327, 14460), (1446, 13270), (2410, 7962), (2654, 7230), (2892, 6635), (3615, 5308), (3981, 4820)]