18866932

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 20203148

約数列:

[1, 2, 4, 7, 14, 28, 67, 89, 113, 134, 178, 226, 268, 356, 452, 469, 623, 791, 938, 1246, 1582, 1876, 2492, 3164, 5963, 7571, 10057, 11926, 15142, 20114, 23852, 30284, 40228, 41741, 52997, 70399, 83482, 105994, 140798, 166964, 211988, 281596, 673819, 1347638, 2695276, 4716733, 9433466, 18866932]

約数ペア:

[(1, 18866932), (2, 9433466), (4, 4716733), (7, 2695276), (14, 1347638), (28, 673819), (67, 281596), (89, 211988), (113, 166964), (134, 140798), (178, 105994), (226, 83482), (268, 70399), (356, 52997), (452, 41741), (469, 40228), (623, 30284), (791, 23852), (938, 20114), (1246, 15142), (1582, 11926), (1876, 10057), (2492, 7571), (3164, 5963)]