19772060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:411

約数の個数: 96

約数和(自身を含む): 53319168

約数和(自身を除く): 33547108

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 55, 70, 74, 77, 110, 140, 148, 154, 185, 220, 259, 308, 347, 370, 385, 407, 518, 694, 740, 770, 814, 1036, 1295, 1388, 1540, 1628, 1735, 2035, 2429, 2590, 2849, 3470, 3817, 4070, 4858, 5180, 5698, 6940, 7634, 8140, 9716, 11396, 12145, 12839, 14245, 15268, 19085, 24290, 25678, 26719, 28490, 38170, 48580, 51356, 53438, 56980, 64195, 76340, 89873, 106876, 128390, 133595, 141229, 179746, 256780, 267190, 282458, 359492, 449365, 534380, 564916, 706145, 898730, 988603, 1412290, 1797460, 1977206, 2824580, 3954412, 4943015, 9886030, 19772060]

約数ペア:

[(1, 19772060), (2, 9886030), (4, 4943015), (5, 3954412), (7, 2824580), (10, 1977206), (11, 1797460), (14, 1412290), (20, 988603), (22, 898730), (28, 706145), (35, 564916), (37, 534380), (44, 449365), (55, 359492), (70, 282458), (74, 267190), (77, 256780), (110, 179746), (140, 141229), (148, 133595), (154, 128390), (185, 106876), (220, 89873), (259, 76340), (308, 64195), (347, 56980), (370, 53438), (385, 51356), (407, 48580), (518, 38170), (694, 28490), (740, 26719), (770, 25678), (814, 24290), (1036, 19085), (1295, 15268), (1388, 14245), (1540, 12839), (1628, 12145), (1735, 11396), (2035, 9716), (2429, 8140), (2590, 7634), (2849, 6940), (3470, 5698), (3817, 5180), (4070, 4858)]