19041680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:976

約数の個数: 80

約数和(自身を含む): 52020480

約数和(自身を除く): 32978800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 919, 1036, 1295, 1480, 1838, 2072, 2590, 2960, 3676, 4144, 4595, 5180, 6433, 7352, 9190, 10360, 12866, 14704, 18380, 20720, 25732, 32165, 34003, 36760, 51464, 64330, 68006, 73520, 102928, 128660, 136012, 170015, 238021, 257320, 272024, 340030, 476042, 514640, 544048, 680060, 952084, 1190105, 1360120, 1904168, 2380210, 2720240, 3808336, 4760420, 9520840, 19041680]

約数ペア:

[(1, 19041680), (2, 9520840), (4, 4760420), (5, 3808336), (7, 2720240), (8, 2380210), (10, 1904168), (14, 1360120), (16, 1190105), (20, 952084), (28, 680060), (35, 544048), (37, 514640), (40, 476042), (56, 340030), (70, 272024), (74, 257320), (80, 238021), (112, 170015), (140, 136012), (148, 128660), (185, 102928), (259, 73520), (280, 68006), (296, 64330), (370, 51464), (518, 36760), (560, 34003), (592, 32165), (740, 25732), (919, 20720), (1036, 18380), (1295, 14704), (1480, 12866), (1838, 10360), (2072, 9190), (2590, 7352), (2960, 6433), (3676, 5180), (4144, 4595)]