18858352

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:553

約数の個数: 40

約数和(自身を含む): 38278800

約数和(自身を除く): 19420448

約数列:

[1, 2, 4, 8, 16, 29, 58, 97, 116, 194, 232, 388, 419, 464, 776, 838, 1552, 1676, 2813, 3352, 5626, 6704, 11252, 12151, 22504, 24302, 40643, 45008, 48604, 81286, 97208, 162572, 194416, 325144, 650288, 1178647, 2357294, 4714588, 9429176, 18858352]

約数ペア:

[(1, 18858352), (2, 9429176), (4, 4714588), (8, 2357294), (16, 1178647), (29, 650288), (58, 325144), (97, 194416), (116, 162572), (194, 97208), (232, 81286), (388, 48604), (419, 45008), (464, 40643), (776, 24302), (838, 22504), (1552, 12151), (1676, 11252), (2813, 6704), (3352, 5626)]