18280960

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:253

約数の個数: 80

約数和(自身を含む): 45249336

約数和(自身を除く): 26968376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 193, 256, 296, 320, 370, 386, 512, 592, 640, 740, 772, 965, 1184, 1280, 1480, 1544, 1930, 2368, 2560, 2960, 3088, 3860, 4736, 5920, 6176, 7141, 7720, 9472, 11840, 12352, 14282, 15440, 18944, 23680, 24704, 28564, 30880, 35705, 47360, 49408, 57128, 61760, 71410, 94720, 98816, 114256, 123520, 142820, 228512, 247040, 285640, 457024, 494080, 571280, 914048, 1142560, 1828096, 2285120, 3656192, 4570240, 9140480, 18280960]

約数ペア:

[(1, 18280960), (2, 9140480), (4, 4570240), (5, 3656192), (8, 2285120), (10, 1828096), (16, 1142560), (20, 914048), (32, 571280), (37, 494080), (40, 457024), (64, 285640), (74, 247040), (80, 228512), (128, 142820), (148, 123520), (160, 114256), (185, 98816), (193, 94720), (256, 71410), (296, 61760), (320, 57128), (370, 49408), (386, 47360), (512, 35705), (592, 30880), (640, 28564), (740, 24704), (772, 23680), (965, 18944), (1184, 15440), (1280, 14282), (1480, 12352), (1544, 11840), (1930, 9472), (2368, 7720), (2560, 7141), (2960, 6176), (3088, 5920), (3860, 4736)]