18513420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3181}}^1$

素因数の和:3290

約数の個数: 48

約数和(自身を含む): 52388448

約数和(自身を除く): 33875028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 3181, 5820, 6362, 9543, 12724, 15905, 19086, 31810, 38172, 47715, 63620, 95430, 190860, 308557, 617114, 925671, 1234228, 1542785, 1851342, 3085570, 3702684, 4628355, 6171140, 9256710, 18513420]

約数ペア:

[(1, 18513420), (2, 9256710), (3, 6171140), (4, 4628355), (5, 3702684), (6, 3085570), (10, 1851342), (12, 1542785), (15, 1234228), (20, 925671), (30, 617114), (60, 308557), (97, 190860), (194, 95430), (291, 63620), (388, 47715), (485, 38172), (582, 31810), (970, 19086), (1164, 15905), (1455, 12724), (1940, 9543), (2910, 6362), (3181, 5820)]