19622600

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2393}}^1$

素因数の和:2450

約数の個数: 48

約数和(自身を含む): 46754820

約数和(自身を除く): 27132220

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 2393, 4100, 4786, 8200, 9572, 11965, 19144, 23930, 47860, 59825, 95720, 98113, 119650, 196226, 239300, 392452, 478600, 490565, 784904, 981130, 1962260, 2452825, 3924520, 4905650, 9811300, 19622600]

約数ペア:

[(1, 19622600), (2, 9811300), (4, 4905650), (5, 3924520), (8, 2452825), (10, 1962260), (20, 981130), (25, 784904), (40, 490565), (41, 478600), (50, 392452), (82, 239300), (100, 196226), (164, 119650), (200, 98113), (205, 95720), (328, 59825), (410, 47860), (820, 23930), (1025, 19144), (1640, 11965), (2050, 9572), (2393, 8200), (4100, 4786)]