19260080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:394

約数の個数: 80

約数和(自身を含む): 51734784

約数和(自身を除く): 32474704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 211, 280, 326, 422, 560, 652, 815, 844, 1055, 1141, 1304, 1477, 1630, 1688, 2110, 2282, 2608, 2954, 3260, 3376, 4220, 4564, 5705, 5908, 6520, 7385, 8440, 9128, 11410, 11816, 13040, 14770, 16880, 18256, 22820, 23632, 29540, 34393, 45640, 59080, 68786, 91280, 118160, 137572, 171965, 240751, 275144, 343930, 481502, 550288, 687860, 963004, 1203755, 1375720, 1926008, 2407510, 2751440, 3852016, 4815020, 9630040, 19260080]

約数ペア:

[(1, 19260080), (2, 9630040), (4, 4815020), (5, 3852016), (7, 2751440), (8, 2407510), (10, 1926008), (14, 1375720), (16, 1203755), (20, 963004), (28, 687860), (35, 550288), (40, 481502), (56, 343930), (70, 275144), (80, 240751), (112, 171965), (140, 137572), (163, 118160), (211, 91280), (280, 68786), (326, 59080), (422, 45640), (560, 34393), (652, 29540), (815, 23632), (844, 22820), (1055, 18256), (1141, 16880), (1304, 14770), (1477, 13040), (1630, 11816), (1688, 11410), (2110, 9128), (2282, 8440), (2608, 7385), (2954, 6520), (3260, 5908), (3376, 5705), (4220, 4564)]