18937695

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 36578304

約数和(自身を除く): 17640609

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 53, 83, 105, 123, 159, 205, 249, 265, 287, 371, 415, 581, 615, 795, 861, 1113, 1245, 1435, 1743, 1855, 2173, 2905, 3403, 4305, 4399, 5565, 6519, 8715, 10209, 10865, 13197, 15211, 17015, 21995, 23821, 30793, 32595, 45633, 51045, 65985, 71463, 76055, 92379, 119105, 153965, 180359, 228165, 357315, 461895, 541077, 901795, 1262513, 2705385, 3787539, 6312565, 18937695]

約数ペア:

[(1, 18937695), (3, 6312565), (5, 3787539), (7, 2705385), (15, 1262513), (21, 901795), (35, 541077), (41, 461895), (53, 357315), (83, 228165), (105, 180359), (123, 153965), (159, 119105), (205, 92379), (249, 76055), (265, 71463), (287, 65985), (371, 51045), (415, 45633), (581, 32595), (615, 30793), (795, 23821), (861, 21995), (1113, 17015), (1245, 15211), (1435, 13197), (1743, 10865), (1855, 10209), (2173, 8715), (2905, 6519), (3403, 5565), (4305, 4399)]