18442028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 37044000

約数和(自身を除く): 18601972

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 97, 116, 149, 194, 298, 319, 388, 596, 638, 1067, 1276, 1639, 2134, 2813, 3278, 4268, 4321, 5626, 6556, 8642, 11252, 14453, 17284, 28906, 30943, 47531, 57812, 61886, 95062, 123772, 158983, 190124, 317966, 419137, 635932, 838274, 1676548, 4610507, 9221014, 18442028]

約数ペア:

[(1, 18442028), (2, 9221014), (4, 4610507), (11, 1676548), (22, 838274), (29, 635932), (44, 419137), (58, 317966), (97, 190124), (116, 158983), (149, 123772), (194, 95062), (298, 61886), (319, 57812), (388, 47531), (596, 30943), (638, 28906), (1067, 17284), (1276, 14453), (1639, 11252), (2134, 8642), (2813, 6556), (3278, 5626), (4268, 4321)]