19131520

素因数分解:

$2^7\times 5^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 27135680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 167, 179, 320, 334, 358, 640, 668, 716, 835, 895, 1336, 1432, 1670, 1790, 2672, 2864, 3340, 3580, 5344, 5728, 6680, 7160, 10688, 11456, 13360, 14320, 21376, 22912, 26720, 28640, 29893, 53440, 57280, 59786, 106880, 114560, 119572, 149465, 239144, 298930, 478288, 597860, 956576, 1195720, 1913152, 2391440, 3826304, 4782880, 9565760, 19131520]

約数ペア:

[(1, 19131520), (2, 9565760), (4, 4782880), (5, 3826304), (8, 2391440), (10, 1913152), (16, 1195720), (20, 956576), (32, 597860), (40, 478288), (64, 298930), (80, 239144), (128, 149465), (160, 119572), (167, 114560), (179, 106880), (320, 59786), (334, 57280), (358, 53440), (640, 29893), (668, 28640), (716, 26720), (835, 22912), (895, 21376), (1336, 14320), (1432, 13360), (1670, 11456), (1790, 10688), (2672, 7160), (2864, 6680), (3340, 5728), (3580, 5344)]