19323651520

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{678499}}^1$

素因数の和:678605

約数の個数: 56

約数和(自身を含む): 46531530000

約数和(自身を除く): 27207878480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 5696, 7120, 14240, 28480, 678499, 1356998, 2713996, 3392495, 5427992, 6784990, 10855984, 13569980, 21711968, 27139960, 43423936, 54279920, 60386411, 108559840, 120772822, 217119680, 241545644, 301932055, 483091288, 603864110, 966182576, 1207728220, 1932365152, 2415456440, 3864730304, 4830912880, 9661825760, 19323651520]

約数ペア:

[(1, 19323651520), (2, 9661825760), (4, 4830912880), (5, 3864730304), (8, 2415456440), (10, 1932365152), (16, 1207728220), (20, 966182576), (32, 603864110), (40, 483091288), (64, 301932055), (80, 241545644), (89, 217119680), (160, 120772822), (178, 108559840), (320, 60386411), (356, 54279920), (445, 43423936), (712, 27139960), (890, 21711968), (1424, 13569980), (1780, 10855984), (2848, 6784990), (3560, 5427992), (5696, 3392495), (7120, 2713996), (14240, 1356998), (28480, 678499)]