19410400

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1277}}^1$

素因数の和:1316

約数の個数: 72

約数和(自身を含む): 49918680

約数和(自身を除く): 30508280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1277, 1520, 1900, 2554, 3040, 3800, 5108, 6385, 7600, 10216, 12770, 15200, 20432, 24263, 25540, 31925, 40864, 48526, 51080, 63850, 97052, 102160, 121315, 127700, 194104, 204320, 242630, 255400, 388208, 485260, 510800, 606575, 776416, 970520, 1021600, 1213150, 1941040, 2426300, 3882080, 4852600, 9705200, 19410400]

約数ペア:

[(1, 19410400), (2, 9705200), (4, 4852600), (5, 3882080), (8, 2426300), (10, 1941040), (16, 1213150), (19, 1021600), (20, 970520), (25, 776416), (32, 606575), (38, 510800), (40, 485260), (50, 388208), (76, 255400), (80, 242630), (95, 204320), (100, 194104), (152, 127700), (160, 121315), (190, 102160), (200, 97052), (304, 63850), (380, 51080), (400, 48526), (475, 40864), (608, 31925), (760, 25540), (800, 24263), (950, 20432), (1277, 15200), (1520, 12770), (1900, 10216), (2554, 7600), (3040, 6385), (3800, 5108)]