19189000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 46425600

約数和(自身を除く): 27236600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 619, 620, 775, 1000, 1238, 1240, 1550, 2476, 3095, 3100, 3875, 4952, 6190, 6200, 7750, 12380, 15475, 15500, 19189, 24760, 30950, 31000, 38378, 61900, 76756, 77375, 95945, 123800, 153512, 154750, 191890, 309500, 383780, 479725, 619000, 767560, 959450, 1918900, 2398625, 3837800, 4797250, 9594500, 19189000]

約数ペア:

[(1, 19189000), (2, 9594500), (4, 4797250), (5, 3837800), (8, 2398625), (10, 1918900), (20, 959450), (25, 767560), (31, 619000), (40, 479725), (50, 383780), (62, 309500), (100, 191890), (124, 154750), (125, 153512), (155, 123800), (200, 95945), (248, 77375), (250, 76756), (310, 61900), (500, 38378), (619, 31000), (620, 30950), (775, 24760), (1000, 19189), (1238, 15500), (1240, 15475), (1550, 12380), (2476, 7750), (3095, 6200), (3100, 6190), (3875, 4952)]