19898880

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2591}}^1$

素因数の和:2617

約数の個数: 80

約数和(自身を含む): 63638784

約数和(自身を除く): 43739904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 2591, 3840, 5182, 7680, 7773, 10364, 12955, 15546, 20728, 25910, 31092, 38865, 41456, 51820, 62184, 77730, 82912, 103640, 124368, 155460, 165824, 207280, 248736, 310920, 331648, 414560, 497472, 621840, 663296, 829120, 994944, 1243680, 1326592, 1658240, 1989888, 2487360, 3316480, 3979776, 4974720, 6632960, 9949440, 19898880]

約数ペア:

[(1, 19898880), (2, 9949440), (3, 6632960), (4, 4974720), (5, 3979776), (6, 3316480), (8, 2487360), (10, 1989888), (12, 1658240), (15, 1326592), (16, 1243680), (20, 994944), (24, 829120), (30, 663296), (32, 621840), (40, 497472), (48, 414560), (60, 331648), (64, 310920), (80, 248736), (96, 207280), (120, 165824), (128, 155460), (160, 124368), (192, 103640), (240, 82912), (256, 77730), (320, 62184), (384, 51820), (480, 41456), (512, 38865), (640, 31092), (768, 25910), (960, 20728), (1280, 15546), (1536, 12955), (1920, 10364), (2560, 7773), (2591, 7680), (3840, 5182)]