18487616

素因数分解:

$2^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1423}}^1$

素因数の和:1471

約数の個数: 56

約数和(自身を含む): 43403520

約数和(自身を除く): 24915904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 203, 224, 232, 406, 448, 464, 812, 928, 1423, 1624, 1856, 2846, 3248, 5692, 6496, 9961, 11384, 12992, 19922, 22768, 39844, 41267, 45536, 79688, 82534, 91072, 159376, 165068, 288869, 318752, 330136, 577738, 637504, 660272, 1155476, 1320544, 2310952, 2641088, 4621904, 9243808, 18487616]

約数ペア:

[(1, 18487616), (2, 9243808), (4, 4621904), (7, 2641088), (8, 2310952), (14, 1320544), (16, 1155476), (28, 660272), (29, 637504), (32, 577738), (56, 330136), (58, 318752), (64, 288869), (112, 165068), (116, 159376), (203, 91072), (224, 82534), (232, 79688), (406, 45536), (448, 41267), (464, 39844), (812, 22768), (928, 19922), (1423, 12992), (1624, 11384), (1856, 9961), (2846, 6496), (3248, 5692)]