18978588

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{22921}}^1$

素因数の和:22954

約数の個数: 36

約数和(自身を含む): 50061648

約数和(自身を除く): 31083060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 22921, 45842, 68763, 91684, 137526, 206289, 275052, 412578, 527183, 825156, 1054366, 1581549, 2108732, 3163098, 4744647, 6326196, 9489294, 18978588]

約数ペア:

[(1, 18978588), (2, 9489294), (3, 6326196), (4, 4744647), (6, 3163098), (9, 2108732), (12, 1581549), (18, 1054366), (23, 825156), (36, 527183), (46, 412578), (69, 275052), (92, 206289), (138, 137526), (207, 91684), (276, 68763), (414, 45842), (828, 22921)]