19397000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:208

約数の個数: 128

約数和(自身を含む): 55261440

約数和(自身を除く): 35864440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 34, 35, 40, 50, 56, 68, 70, 85, 100, 119, 125, 136, 140, 163, 170, 175, 200, 238, 250, 280, 326, 340, 350, 425, 476, 500, 595, 652, 680, 700, 815, 850, 875, 952, 1000, 1141, 1190, 1304, 1400, 1630, 1700, 1750, 2125, 2282, 2380, 2771, 2975, 3260, 3400, 3500, 4075, 4250, 4564, 4760, 5542, 5705, 5950, 6520, 7000, 8150, 8500, 9128, 11084, 11410, 11900, 13855, 14875, 16300, 17000, 19397, 20375, 22168, 22820, 23800, 27710, 28525, 29750, 32600, 38794, 40750, 45640, 55420, 57050, 59500, 69275, 77588, 81500, 96985, 110840, 114100, 119000, 138550, 142625, 155176, 163000, 193970, 228200, 277100, 285250, 346375, 387940, 484925, 554200, 570500, 692750, 775880, 969850, 1141000, 1385500, 1939700, 2424625, 2771000, 3879400, 4849250, 9698500, 19397000]

約数ペア:

[(1, 19397000), (2, 9698500), (4, 4849250), (5, 3879400), (7, 2771000), (8, 2424625), (10, 1939700), (14, 1385500), (17, 1141000), (20, 969850), (25, 775880), (28, 692750), (34, 570500), (35, 554200), (40, 484925), (50, 387940), (56, 346375), (68, 285250), (70, 277100), (85, 228200), (100, 193970), (119, 163000), (125, 155176), (136, 142625), (140, 138550), (163, 119000), (170, 114100), (175, 110840), (200, 96985), (238, 81500), (250, 77588), (280, 69275), (326, 59500), (340, 57050), (350, 55420), (425, 45640), (476, 40750), (500, 38794), (595, 32600), (652, 29750), (680, 28525), (700, 27710), (815, 23800), (850, 22820), (875, 22168), (952, 20375), (1000, 19397), (1141, 17000), (1190, 16300), (1304, 14875), (1400, 13855), (1630, 11900), (1700, 11410), (1750, 11084), (2125, 9128), (2282, 8500), (2380, 8150), (2771, 7000), (2975, 6520), (3260, 5950), (3400, 5705), (3500, 5542), (4075, 4760), (4250, 4564)]