19979610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1069}}^1$

素因数の和:1175

約数の個数: 64

約数和(自身を含む): 55468800

約数和(自身を除く): 35489190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 89, 105, 178, 210, 267, 445, 534, 623, 890, 1069, 1246, 1335, 1869, 2138, 2670, 3115, 3207, 3738, 5345, 6230, 6414, 7483, 9345, 10690, 14966, 16035, 18690, 22449, 32070, 37415, 44898, 74830, 95141, 112245, 190282, 224490, 285423, 475705, 570846, 665987, 951410, 1331974, 1427115, 1997961, 2854230, 3329935, 3995922, 6659870, 9989805, 19979610]

約数ペア:

[(1, 19979610), (2, 9989805), (3, 6659870), (5, 3995922), (6, 3329935), (7, 2854230), (10, 1997961), (14, 1427115), (15, 1331974), (21, 951410), (30, 665987), (35, 570846), (42, 475705), (70, 285423), (89, 224490), (105, 190282), (178, 112245), (210, 95141), (267, 74830), (445, 44898), (534, 37415), (623, 32070), (890, 22449), (1069, 18690), (1246, 16035), (1335, 14966), (1869, 10690), (2138, 9345), (2670, 7483), (3115, 6414), (3207, 6230), (3738, 5345)]