18195520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{8123}}^1$

素因数の和:8147

約数の個数: 56

約数和(自身を含む): 49523904

約数和(自身を除く): 31328384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 8123, 16246, 32492, 40615, 56861, 64984, 81230, 113722, 129968, 162460, 227444, 259936, 284305, 324920, 454888, 519872, 568610, 649840, 909776, 1137220, 1299680, 1819552, 2274440, 2599360, 3639104, 4548880, 9097760, 18195520]

約数ペア:

[(1, 18195520), (2, 9097760), (4, 4548880), (5, 3639104), (7, 2599360), (8, 2274440), (10, 1819552), (14, 1299680), (16, 1137220), (20, 909776), (28, 649840), (32, 568610), (35, 519872), (40, 454888), (56, 324920), (64, 284305), (70, 259936), (80, 227444), (112, 162460), (140, 129968), (160, 113722), (224, 81230), (280, 64984), (320, 56861), (448, 40615), (560, 32492), (1120, 16246), (2240, 8123)]