18520576

素因数分解:

$2^9\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:672

約数の個数: 40

約数和(自身を含む): 37675044

約数和(自身を除く): 19154468

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 512, 593, 976, 1186, 1952, 2372, 3904, 4744, 7808, 9488, 15616, 18976, 31232, 36173, 37952, 72346, 75904, 144692, 151808, 289384, 303616, 578768, 1157536, 2315072, 4630144, 9260288, 18520576]

約数ペア:

[(1, 18520576), (2, 9260288), (4, 4630144), (8, 2315072), (16, 1157536), (32, 578768), (61, 303616), (64, 289384), (122, 151808), (128, 144692), (244, 75904), (256, 72346), (488, 37952), (512, 36173), (593, 31232), (976, 18976), (1186, 15616), (1952, 9488), (2372, 7808), (3904, 4744)]