19975788

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{26423}}^1$

素因数の和:26443

約数の個数: 48

約数和(自身を含む): 59189760

約数和(自身を除く): 39213972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 26423, 52846, 79269, 105692, 158538, 184961, 237807, 317076, 369922, 475614, 554883, 713421, 739844, 951228, 1109766, 1426842, 1664649, 2219532, 2853684, 3329298, 4993947, 6658596, 9987894, 19975788]

約数ペア:

[(1, 19975788), (2, 9987894), (3, 6658596), (4, 4993947), (6, 3329298), (7, 2853684), (9, 2219532), (12, 1664649), (14, 1426842), (18, 1109766), (21, 951228), (27, 739844), (28, 713421), (36, 554883), (42, 475614), (54, 369922), (63, 317076), (84, 237807), (108, 184961), (126, 158538), (189, 105692), (252, 79269), (378, 52846), (756, 26423)]