19201400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 48806400

約数和(自身を除く): 29605000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 31, 38, 40, 50, 62, 76, 95, 100, 124, 152, 155, 163, 190, 200, 248, 310, 326, 380, 475, 589, 620, 652, 760, 775, 815, 950, 1178, 1240, 1304, 1550, 1630, 1900, 2356, 2945, 3097, 3100, 3260, 3800, 4075, 4712, 5053, 5890, 6194, 6200, 6520, 8150, 10106, 11780, 12388, 14725, 15485, 16300, 20212, 23560, 24776, 25265, 29450, 30970, 32600, 40424, 50530, 58900, 61940, 77425, 96007, 101060, 117800, 123880, 126325, 154850, 192014, 202120, 252650, 309700, 384028, 480035, 505300, 619400, 768056, 960070, 1010600, 1920140, 2400175, 3840280, 4800350, 9600700, 19201400]

約数ペア:

[(1, 19201400), (2, 9600700), (4, 4800350), (5, 3840280), (8, 2400175), (10, 1920140), (19, 1010600), (20, 960070), (25, 768056), (31, 619400), (38, 505300), (40, 480035), (50, 384028), (62, 309700), (76, 252650), (95, 202120), (100, 192014), (124, 154850), (152, 126325), (155, 123880), (163, 117800), (190, 101060), (200, 96007), (248, 77425), (310, 61940), (326, 58900), (380, 50530), (475, 40424), (589, 32600), (620, 30970), (652, 29450), (760, 25265), (775, 24776), (815, 23560), (950, 20212), (1178, 16300), (1240, 15485), (1304, 14725), (1550, 12388), (1630, 11780), (1900, 10106), (2356, 8150), (2945, 6520), (3097, 6200), (3100, 6194), (3260, 5890), (3800, 5053), (4075, 4712)]