19444964

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 44815680

約数和(自身を除く): 25370716

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 49, 58, 77, 98, 116, 154, 196, 203, 308, 311, 319, 406, 539, 622, 638, 812, 1078, 1244, 1276, 1421, 2156, 2177, 2233, 2842, 3421, 4354, 4466, 5684, 6842, 8708, 8932, 9019, 13684, 15239, 15631, 18038, 23947, 30478, 31262, 36076, 47894, 60956, 62524, 63133, 95788, 99209, 126266, 167629, 198418, 252532, 335258, 396836, 441931, 670516, 694463, 883862, 1388926, 1767724, 2777852, 4861241, 9722482, 19444964]

約数ペア:

[(1, 19444964), (2, 9722482), (4, 4861241), (7, 2777852), (11, 1767724), (14, 1388926), (22, 883862), (28, 694463), (29, 670516), (44, 441931), (49, 396836), (58, 335258), (77, 252532), (98, 198418), (116, 167629), (154, 126266), (196, 99209), (203, 95788), (308, 63133), (311, 62524), (319, 60956), (406, 47894), (539, 36076), (622, 31262), (638, 30478), (812, 23947), (1078, 18038), (1244, 15631), (1276, 15239), (1421, 13684), (2156, 9019), (2177, 8932), (2233, 8708), (2842, 6842), (3421, 5684), (4354, 4466)]