18269188

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 38304000

約数和(自身を除く): 20034812

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 149, 151, 203, 298, 302, 406, 596, 604, 812, 1043, 1057, 2086, 2114, 4172, 4228, 4321, 4379, 8642, 8758, 17284, 17516, 22499, 30247, 30653, 44998, 60494, 61306, 89996, 120988, 122612, 157493, 314986, 629972, 652471, 1304942, 2609884, 4567297, 9134594, 18269188]

約数ペア:

[(1, 18269188), (2, 9134594), (4, 4567297), (7, 2609884), (14, 1304942), (28, 652471), (29, 629972), (58, 314986), (116, 157493), (149, 122612), (151, 120988), (203, 89996), (298, 61306), (302, 60494), (406, 44998), (596, 30653), (604, 30247), (812, 22499), (1043, 17516), (1057, 17284), (2086, 8758), (2114, 8642), (4172, 4379), (4228, 4321)]