19229600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^2$

素因数の和:119

約数の個数: 108

約数和(自身を含む): 51758406

約数和(自身を除く): 32528806

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 43, 50, 52, 65, 80, 86, 100, 104, 130, 160, 172, 200, 208, 215, 260, 325, 344, 400, 416, 430, 520, 559, 650, 688, 800, 860, 1040, 1075, 1118, 1300, 1376, 1720, 1849, 2080, 2150, 2236, 2600, 2795, 3440, 3698, 4300, 4472, 5200, 5590, 6880, 7396, 8600, 8944, 9245, 10400, 11180, 13975, 14792, 17200, 17888, 18490, 22360, 24037, 27950, 29584, 34400, 36980, 44720, 46225, 48074, 55900, 59168, 73960, 89440, 92450, 96148, 111800, 120185, 147920, 184900, 192296, 223600, 240370, 295840, 369800, 384592, 447200, 480740, 600925, 739600, 769184, 961480, 1201850, 1479200, 1922960, 2403700, 3845920, 4807400, 9614800, 19229600]

約数ペア:

[(1, 19229600), (2, 9614800), (4, 4807400), (5, 3845920), (8, 2403700), (10, 1922960), (13, 1479200), (16, 1201850), (20, 961480), (25, 769184), (26, 739600), (32, 600925), (40, 480740), (43, 447200), (50, 384592), (52, 369800), (65, 295840), (80, 240370), (86, 223600), (100, 192296), (104, 184900), (130, 147920), (160, 120185), (172, 111800), (200, 96148), (208, 92450), (215, 89440), (260, 73960), (325, 59168), (344, 55900), (400, 48074), (416, 46225), (430, 44720), (520, 36980), (559, 34400), (650, 29584), (688, 27950), (800, 24037), (860, 22360), (1040, 18490), (1075, 17888), (1118, 17200), (1300, 14792), (1376, 13975), (1720, 11180), (1849, 10400), (2080, 9245), (2150, 8944), (2236, 8600), (2600, 7396), (2795, 6880), (3440, 5590), (3698, 5200), (4300, 4472)]