19777710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 29988690

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 127, 145, 174, 179, 254, 290, 358, 381, 435, 537, 635, 762, 870, 895, 1074, 1270, 1790, 1905, 2685, 3683, 3810, 5191, 5370, 7366, 10382, 11049, 15573, 18415, 22098, 22733, 25955, 31146, 36830, 45466, 51910, 55245, 68199, 77865, 110490, 113665, 136398, 155730, 227330, 340995, 659257, 681990, 1318514, 1977771, 3296285, 3955542, 6592570, 9888855, 19777710]

約数ペア:

[(1, 19777710), (2, 9888855), (3, 6592570), (5, 3955542), (6, 3296285), (10, 1977771), (15, 1318514), (29, 681990), (30, 659257), (58, 340995), (87, 227330), (127, 155730), (145, 136398), (174, 113665), (179, 110490), (254, 77865), (290, 68199), (358, 55245), (381, 51910), (435, 45466), (537, 36830), (635, 31146), (762, 25955), (870, 22733), (895, 22098), (1074, 18415), (1270, 15573), (1790, 11049), (1905, 10382), (2685, 7366), (3683, 5370), (3810, 5191)]