19574004880

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{439273}}^1$

素因数の和:439843

約数の個数: 40

約数和(自身を含む): 45591369912

約数和(自身を除く): 26017365032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 2228, 2785, 4456, 5570, 8912, 11140, 22280, 44560, 439273, 878546, 1757092, 2196365, 3514184, 4392730, 7028368, 8785460, 17570920, 35141840, 244675061, 489350122, 978700244, 1223375305, 1957400488, 2446750610, 3914800976, 4893501220, 9787002440, 19574004880]

約数ペア:

[(1, 19574004880), (2, 9787002440), (4, 4893501220), (5, 3914800976), (8, 2446750610), (10, 1957400488), (16, 1223375305), (20, 978700244), (40, 489350122), (80, 244675061), (557, 35141840), (1114, 17570920), (2228, 8785460), (2785, 7028368), (4456, 4392730), (5570, 3514184), (8912, 2196365), (11140, 1757092), (22280, 878546), (44560, 439273)]