18975146974

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1187}}^1\times {\mathrm{3163}}^1$

素因数の和:4397

約数の個数: 48

約数和(自身を含む): 34370759808

約数和(自身を除く): 15395612834

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 1187, 2374, 2527, 3163, 5054, 6326, 8309, 16618, 22141, 22553, 44282, 45106, 60097, 120194, 157871, 315742, 420679, 428507, 841358, 857014, 1141843, 2283686, 2999549, 3754481, 5999098, 7508962, 7992901, 15985802, 26281367, 52562734, 71335139, 142670278, 499345973, 998691946, 1355367641, 2710735282, 9487573487, 18975146974]

約数ペア:

[(1, 18975146974), (2, 9487573487), (7, 2710735282), (14, 1355367641), (19, 998691946), (38, 499345973), (133, 142670278), (266, 71335139), (361, 52562734), (722, 26281367), (1187, 15985802), (2374, 7992901), (2527, 7508962), (3163, 5999098), (5054, 3754481), (6326, 2999549), (8309, 2283686), (16618, 1141843), (22141, 857014), (22553, 841358), (44282, 428507), (45106, 420679), (60097, 315742), (120194, 157871)]