18804524998

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1\times {\mathrm{1993}}^1$

素因数の和:2549

約数の個数: 64

約数和(自身を含む): 34456320000

約数和(自身を除く): 15651795002

約数列:

[1, 2, 7, 14, 19, 38, 79, 133, 158, 266, 449, 553, 898, 1106, 1501, 1993, 3002, 3143, 3986, 6286, 8531, 10507, 13951, 17062, 21014, 27902, 35471, 37867, 59717, 70942, 75734, 119434, 157447, 248297, 265069, 314894, 496594, 530138, 673949, 894857, 1102129, 1347898, 1789714, 2204258, 2991493, 4717643, 5982986, 6263999, 9435286, 12527998, 17002283, 20940451, 34004566, 41880902, 70693703, 119015981, 141387406, 238031962, 494855921, 989711842, 1343180357, 2686360714, 9402262499, 18804524998]

約数ペア:

[(1, 18804524998), (2, 9402262499), (7, 2686360714), (14, 1343180357), (19, 989711842), (38, 494855921), (79, 238031962), (133, 141387406), (158, 119015981), (266, 70693703), (449, 41880902), (553, 34004566), (898, 20940451), (1106, 17002283), (1501, 12527998), (1993, 9435286), (3002, 6263999), (3143, 5982986), (3986, 4717643), (6286, 2991493), (8531, 2204258), (10507, 1789714), (13951, 1347898), (17062, 1102129), (21014, 894857), (27902, 673949), (35471, 530138), (37867, 496594), (59717, 314894), (70942, 265069), (75734, 248297), (119434, 157447)]