19496640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{883}}^1$

素因数の和:926

約数の個数: 112

約数和(自身を含む): 64666368

約数和(自身を除く): 45169728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 460, 480, 552, 690, 736, 883, 920, 960, 1104, 1380, 1472, 1766, 1840, 2208, 2649, 2760, 3532, 3680, 4415, 4416, 5298, 5520, 7064, 7360, 8830, 10596, 11040, 13245, 14128, 17660, 20309, 21192, 22080, 26490, 28256, 35320, 40618, 42384, 52980, 56512, 60927, 70640, 81236, 84768, 101545, 105960, 121854, 141280, 162472, 169536, 203090, 211920, 243708, 282560, 304635, 324944, 406180, 423840, 487416, 609270, 649888, 812360, 847680, 974832, 1218540, 1299776, 1624720, 1949664, 2437080, 3249440, 3899328, 4874160, 6498880, 9748320, 19496640]

約数ペア:

[(1, 19496640), (2, 9748320), (3, 6498880), (4, 4874160), (5, 3899328), (6, 3249440), (8, 2437080), (10, 1949664), (12, 1624720), (15, 1299776), (16, 1218540), (20, 974832), (23, 847680), (24, 812360), (30, 649888), (32, 609270), (40, 487416), (46, 423840), (48, 406180), (60, 324944), (64, 304635), (69, 282560), (80, 243708), (92, 211920), (96, 203090), (115, 169536), (120, 162472), (138, 141280), (160, 121854), (184, 105960), (192, 101545), (230, 84768), (240, 81236), (276, 70640), (320, 60927), (345, 56512), (368, 52980), (460, 42384), (480, 40618), (552, 35320), (690, 28256), (736, 26490), (883, 22080), (920, 21192), (960, 20309), (1104, 17660), (1380, 14128), (1472, 13245), (1766, 11040), (1840, 10596), (2208, 8830), (2649, 7360), (2760, 7064), (3532, 5520), (3680, 5298), (4415, 4416)]