19487040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:456

約数の個数: 112

約数和(自身を含む): 63203328

約数和(自身を除く): 43716288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 159, 160, 192, 212, 240, 265, 318, 320, 383, 424, 480, 530, 636, 766, 795, 848, 960, 1060, 1149, 1272, 1532, 1590, 1696, 1915, 2120, 2298, 2544, 3064, 3180, 3392, 3830, 4240, 4596, 5088, 5745, 6128, 6360, 7660, 8480, 9192, 10176, 11490, 12256, 12720, 15320, 16960, 18384, 20299, 22980, 24512, 25440, 30640, 36768, 40598, 45960, 50880, 60897, 61280, 73536, 81196, 91920, 101495, 121794, 122560, 162392, 183840, 202990, 243588, 304485, 324784, 367680, 405980, 487176, 608970, 649568, 811960, 974352, 1217940, 1299136, 1623920, 1948704, 2435880, 3247840, 3897408, 4871760, 6495680, 9743520, 19487040]

約数ペア:

[(1, 19487040), (2, 9743520), (3, 6495680), (4, 4871760), (5, 3897408), (6, 3247840), (8, 2435880), (10, 1948704), (12, 1623920), (15, 1299136), (16, 1217940), (20, 974352), (24, 811960), (30, 649568), (32, 608970), (40, 487176), (48, 405980), (53, 367680), (60, 324784), (64, 304485), (80, 243588), (96, 202990), (106, 183840), (120, 162392), (159, 122560), (160, 121794), (192, 101495), (212, 91920), (240, 81196), (265, 73536), (318, 61280), (320, 60897), (383, 50880), (424, 45960), (480, 40598), (530, 36768), (636, 30640), (766, 25440), (795, 24512), (848, 22980), (960, 20299), (1060, 18384), (1149, 16960), (1272, 15320), (1532, 12720), (1590, 12256), (1696, 11490), (1915, 10176), (2120, 9192), (2298, 8480), (2544, 7660), (3064, 6360), (3180, 6128), (3392, 5745), (3830, 5088), (4240, 4596)]