18867900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:703

約数の個数: 72

約数和(自身を含む): 55187440

約数和(自身を除く): 36319540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 109, 150, 218, 300, 327, 436, 545, 577, 654, 1090, 1154, 1308, 1635, 1731, 2180, 2308, 2725, 2885, 3270, 3462, 5450, 5770, 6540, 6924, 8175, 8655, 10900, 11540, 14425, 16350, 17310, 28850, 32700, 34620, 43275, 57700, 62893, 86550, 125786, 173100, 188679, 251572, 314465, 377358, 628930, 754716, 943395, 1257860, 1572325, 1886790, 3144650, 3773580, 4716975, 6289300, 9433950, 18867900]

約数ペア:

[(1, 18867900), (2, 9433950), (3, 6289300), (4, 4716975), (5, 3773580), (6, 3144650), (10, 1886790), (12, 1572325), (15, 1257860), (20, 943395), (25, 754716), (30, 628930), (50, 377358), (60, 314465), (75, 251572), (100, 188679), (109, 173100), (150, 125786), (218, 86550), (300, 62893), (327, 57700), (436, 43275), (545, 34620), (577, 32700), (654, 28850), (1090, 17310), (1154, 16350), (1308, 14425), (1635, 11540), (1731, 10900), (2180, 8655), (2308, 8175), (2725, 6924), (2885, 6540), (3270, 5770), (3462, 5450)]