18307520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{743}}^1$

素因数の和:778

約数の個数: 112

約数和(自身を含む): 54425088

約数和(自身を除く): 36117568

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 743, 770, 880, 1120, 1232, 1486, 1540, 1760, 2240, 2464, 2972, 3080, 3520, 3715, 4928, 5201, 5944, 6160, 7430, 8173, 10402, 11888, 12320, 14860, 16346, 20804, 23776, 24640, 26005, 29720, 32692, 40865, 41608, 47552, 52010, 57211, 59440, 65384, 81730, 83216, 104020, 114422, 118880, 130768, 163460, 166432, 208040, 228844, 237760, 261536, 286055, 326920, 332864, 416080, 457688, 523072, 572110, 653840, 832160, 915376, 1144220, 1307680, 1664320, 1830752, 2288440, 2615360, 3661504, 4576880, 9153760, 18307520]

約数ペア:

[(1, 18307520), (2, 9153760), (4, 4576880), (5, 3661504), (7, 2615360), (8, 2288440), (10, 1830752), (11, 1664320), (14, 1307680), (16, 1144220), (20, 915376), (22, 832160), (28, 653840), (32, 572110), (35, 523072), (40, 457688), (44, 416080), (55, 332864), (56, 326920), (64, 286055), (70, 261536), (77, 237760), (80, 228844), (88, 208040), (110, 166432), (112, 163460), (140, 130768), (154, 118880), (160, 114422), (176, 104020), (220, 83216), (224, 81730), (280, 65384), (308, 59440), (320, 57211), (352, 52010), (385, 47552), (440, 41608), (448, 40865), (560, 32692), (616, 29720), (704, 26005), (743, 24640), (770, 23776), (880, 20804), (1120, 16346), (1232, 14860), (1486, 12320), (1540, 11888), (1760, 10402), (2240, 8173), (2464, 7430), (2972, 6160), (3080, 5944), (3520, 5201), (3715, 4928)]