18869850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2207}}^1$

素因数の和:2244

約数の個数: 72

約数和(自身を含む): 53389440

約数和(自身を除く): 34519590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 90, 95, 114, 150, 171, 190, 225, 285, 342, 450, 475, 570, 855, 950, 1425, 1710, 2207, 2850, 4275, 4414, 6621, 8550, 11035, 13242, 19863, 22070, 33105, 39726, 41933, 55175, 66210, 83866, 99315, 110350, 125799, 165525, 198630, 209665, 251598, 331050, 377397, 419330, 496575, 628995, 754794, 993150, 1048325, 1257990, 1886985, 2096650, 3144975, 3773970, 6289950, 9434925, 18869850]

約数ペア:

[(1, 18869850), (2, 9434925), (3, 6289950), (5, 3773970), (6, 3144975), (9, 2096650), (10, 1886985), (15, 1257990), (18, 1048325), (19, 993150), (25, 754794), (30, 628995), (38, 496575), (45, 419330), (50, 377397), (57, 331050), (75, 251598), (90, 209665), (95, 198630), (114, 165525), (150, 125799), (171, 110350), (190, 99315), (225, 83866), (285, 66210), (342, 55175), (450, 41933), (475, 39726), (570, 33105), (855, 22070), (950, 19863), (1425, 13242), (1710, 11035), (2207, 8550), (2850, 6621), (4275, 4414)]