18983152

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{691}}^1$

素因数の和:817

約数の個数: 40

約数和(自身を含む): 39385872

約数和(自身を除く): 20402720

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 101, 136, 202, 272, 404, 691, 808, 1382, 1616, 1717, 2764, 3434, 5528, 6868, 11056, 11747, 13736, 23494, 27472, 46988, 69791, 93976, 139582, 187952, 279164, 558328, 1116656, 1186447, 2372894, 4745788, 9491576, 18983152]

約数ペア:

[(1, 18983152), (2, 9491576), (4, 4745788), (8, 2372894), (16, 1186447), (17, 1116656), (34, 558328), (68, 279164), (101, 187952), (136, 139582), (202, 93976), (272, 69791), (404, 46988), (691, 27472), (808, 23494), (1382, 13736), (1616, 11747), (1717, 11056), (2764, 6868), (3434, 5528)]