19414760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 27241240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 449, 460, 470, 898, 920, 940, 1081, 1796, 1880, 2162, 2245, 3592, 4324, 4490, 5405, 8648, 8980, 10327, 10810, 17960, 20654, 21103, 21620, 41308, 42206, 43240, 51635, 82616, 84412, 103270, 105515, 168824, 206540, 211030, 413080, 422060, 485369, 844120, 970738, 1941476, 2426845, 3882952, 4853690, 9707380, 19414760]

約数ペア:

[(1, 19414760), (2, 9707380), (4, 4853690), (5, 3882952), (8, 2426845), (10, 1941476), (20, 970738), (23, 844120), (40, 485369), (46, 422060), (47, 413080), (92, 211030), (94, 206540), (115, 168824), (184, 105515), (188, 103270), (230, 84412), (235, 82616), (376, 51635), (449, 43240), (460, 42206), (470, 41308), (898, 21620), (920, 21103), (940, 20654), (1081, 17960), (1796, 10810), (1880, 10327), (2162, 8980), (2245, 8648), (3592, 5405), (4324, 4490)]