2018249996

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{13127}}^1$

素因数の和:13191

約数の個数: 72

約数和(自身を含む): 4513931520

約数和(自身を除く): 2495681524

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 289, 323, 476, 532, 578, 646, 1156, 1292, 2023, 2261, 4046, 4522, 5491, 8092, 9044, 10982, 13127, 21964, 26254, 38437, 52508, 76874, 91889, 153748, 183778, 223159, 249413, 367556, 446318, 498826, 892636, 997652, 1562113, 1745891, 3124226, 3491782, 3793703, 4240021, 6248452, 6983564, 7587406, 8480042, 15174812, 16960084, 26555921, 29680147, 53111842, 59360294, 72080357, 106223684, 118720588, 144160714, 288321428, 504562499, 1009124998, 2018249996]

約数ペア:

[(1, 2018249996), (2, 1009124998), (4, 504562499), (7, 288321428), (14, 144160714), (17, 118720588), (19, 106223684), (28, 72080357), (34, 59360294), (38, 53111842), (68, 29680147), (76, 26555921), (119, 16960084), (133, 15174812), (238, 8480042), (266, 7587406), (289, 6983564), (323, 6248452), (476, 4240021), (532, 3793703), (578, 3491782), (646, 3124226), (1156, 1745891), (1292, 1562113), (2023, 997652), (2261, 892636), (4046, 498826), (4522, 446318), (5491, 367556), (8092, 249413), (9044, 223159), (10982, 183778), (13127, 153748), (21964, 91889), (26254, 76874), (38437, 52508)]