22519420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2089}}^1$

素因数の和:2123

約数の個数: 72

約数和(自身を含む): 60041520

約数和(自身を除く): 37522100

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2089, 2156, 2695, 4178, 5390, 8356, 10445, 10780, 14623, 20890, 22979, 29246, 41780, 45958, 58492, 73115, 91916, 102361, 114895, 146230, 160853, 204722, 229790, 292460, 321706, 409444, 459580, 511805, 643412, 804265, 1023610, 1125971, 1608530, 2047220, 2251942, 3217060, 4503884, 5629855, 11259710, 22519420]

約数ペア:

[(1, 22519420), (2, 11259710), (4, 5629855), (5, 4503884), (7, 3217060), (10, 2251942), (11, 2047220), (14, 1608530), (20, 1125971), (22, 1023610), (28, 804265), (35, 643412), (44, 511805), (49, 459580), (55, 409444), (70, 321706), (77, 292460), (98, 229790), (110, 204722), (140, 160853), (154, 146230), (196, 114895), (220, 102361), (245, 91916), (308, 73115), (385, 58492), (490, 45958), (539, 41780), (770, 29246), (980, 22979), (1078, 20890), (1540, 14623), (2089, 10780), (2156, 10445), (2695, 8356), (4178, 5390)]