19105280

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:479

約数の個数: 80

約数和(自身を含む): 48612960

約数和(自身を除く): 29507680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 439, 512, 544, 640, 680, 878, 1088, 1280, 1360, 1756, 2176, 2195, 2560, 2720, 3512, 4352, 4390, 5440, 7024, 7463, 8704, 8780, 10880, 14048, 14926, 17560, 21760, 28096, 29852, 35120, 37315, 43520, 56192, 59704, 70240, 74630, 112384, 119408, 140480, 149260, 224768, 238816, 280960, 298520, 477632, 561920, 597040, 955264, 1123840, 1194080, 1910528, 2388160, 3821056, 4776320, 9552640, 19105280]

約数ペア:

[(1, 19105280), (2, 9552640), (4, 4776320), (5, 3821056), (8, 2388160), (10, 1910528), (16, 1194080), (17, 1123840), (20, 955264), (32, 597040), (34, 561920), (40, 477632), (64, 298520), (68, 280960), (80, 238816), (85, 224768), (128, 149260), (136, 140480), (160, 119408), (170, 112384), (256, 74630), (272, 70240), (320, 59704), (340, 56192), (439, 43520), (512, 37315), (544, 35120), (640, 29852), (680, 28096), (878, 21760), (1088, 17560), (1280, 14926), (1360, 14048), (1756, 10880), (2176, 8780), (2195, 8704), (2560, 7463), (2720, 7024), (3512, 5440), (4352, 4390)]