19307600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 120

約数和(自身を含む): 51663360

約数和(自身を除く): 32355760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 47, 50, 52, 65, 79, 80, 94, 100, 104, 130, 158, 188, 200, 208, 235, 260, 316, 325, 376, 395, 400, 470, 520, 611, 632, 650, 752, 790, 940, 1027, 1040, 1175, 1222, 1264, 1300, 1580, 1880, 1975, 2054, 2350, 2444, 2600, 3055, 3160, 3713, 3760, 3950, 4108, 4700, 4888, 5135, 5200, 6110, 6320, 7426, 7900, 8216, 9400, 9776, 10270, 12220, 14852, 15275, 15800, 16432, 18565, 18800, 20540, 24440, 25675, 29704, 30550, 31600, 37130, 41080, 48269, 48880, 51350, 59408, 61100, 74260, 82160, 92825, 96538, 102700, 122200, 148520, 185650, 193076, 205400, 241345, 244400, 297040, 371300, 386152, 410800, 482690, 742600, 772304, 965380, 1206725, 1485200, 1930760, 2413450, 3861520, 4826900, 9653800, 19307600]

約数ペア:

[(1, 19307600), (2, 9653800), (4, 4826900), (5, 3861520), (8, 2413450), (10, 1930760), (13, 1485200), (16, 1206725), (20, 965380), (25, 772304), (26, 742600), (40, 482690), (47, 410800), (50, 386152), (52, 371300), (65, 297040), (79, 244400), (80, 241345), (94, 205400), (100, 193076), (104, 185650), (130, 148520), (158, 122200), (188, 102700), (200, 96538), (208, 92825), (235, 82160), (260, 74260), (316, 61100), (325, 59408), (376, 51350), (395, 48880), (400, 48269), (470, 41080), (520, 37130), (611, 31600), (632, 30550), (650, 29704), (752, 25675), (790, 24440), (940, 20540), (1027, 18800), (1040, 18565), (1175, 16432), (1222, 15800), (1264, 15275), (1300, 14852), (1580, 12220), (1880, 10270), (1975, 9776), (2054, 9400), (2350, 8216), (2444, 7900), (2600, 7426), (3055, 6320), (3160, 6110), (3713, 5200), (3760, 5135), (3950, 4888), (4108, 4700)]