18254405840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{560639}}^1$

素因数の和:560700

約数の個数: 80

約数和(自身を含む): 47551242240

約数和(自身を除く): 29296836400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 1480, 1628, 2035, 2960, 3256, 4070, 6512, 8140, 16280, 32560, 560639, 1121278, 2242556, 2803195, 4485112, 5606390, 6167029, 8970224, 11212780, 12334058, 20743643, 22425560, 24668116, 30835145, 41487286, 44851120, 49336232, 61670290, 82974572, 98672464, 103718215, 123340580, 165949144, 207436430, 228180073, 246681160, 331898288, 414872860, 456360146, 493362320, 829745720, 912720292, 1140900365, 1659491440, 1825440584, 2281800730, 3650881168, 4563601460, 9127202920, 18254405840]

約数ペア:

[(1, 18254405840), (2, 9127202920), (4, 4563601460), (5, 3650881168), (8, 2281800730), (10, 1825440584), (11, 1659491440), (16, 1140900365), (20, 912720292), (22, 829745720), (37, 493362320), (40, 456360146), (44, 414872860), (55, 331898288), (74, 246681160), (80, 228180073), (88, 207436430), (110, 165949144), (148, 123340580), (176, 103718215), (185, 98672464), (220, 82974572), (296, 61670290), (370, 49336232), (407, 44851120), (440, 41487286), (592, 30835145), (740, 24668116), (814, 22425560), (880, 20743643), (1480, 12334058), (1628, 11212780), (2035, 8970224), (2960, 6167029), (3256, 5606390), (4070, 4485112), (6512, 2803195), (8140, 2242556), (16280, 1121278), (32560, 560639)]