18219810826

素因数分解:

$2^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{727}}^1$

素因数の和:1081

約数の個数: 80

約数和(自身を含む): 33914776896

約数和(自身を除く): 15694966070

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 307, 343, 614, 686, 727, 833, 1454, 1666, 2149, 2401, 4298, 4802, 5089, 5219, 5831, 10178, 10438, 11662, 12359, 15043, 24718, 30086, 35623, 36533, 40817, 71246, 73066, 81634, 86513, 105301, 173026, 210602, 223189, 249361, 255731, 446378, 498722, 511462, 605591, 737107, 1211182, 1474214, 1562323, 1745527, 1790117, 3124646, 3491054, 3580234, 3794213, 4239137, 7588426, 8478274, 10936261, 12530819, 21872522, 25061638, 26559491, 29673959, 53118982, 59347918, 76553827, 153107654, 185916437, 371832874, 535876789, 1071753578, 1301415059, 2602830118, 9109905413, 18219810826]

約数ペア:

[(1, 18219810826), (2, 9109905413), (7, 2602830118), (14, 1301415059), (17, 1071753578), (34, 535876789), (49, 371832874), (98, 185916437), (119, 153107654), (238, 76553827), (307, 59347918), (343, 53118982), (614, 29673959), (686, 26559491), (727, 25061638), (833, 21872522), (1454, 12530819), (1666, 10936261), (2149, 8478274), (2401, 7588426), (4298, 4239137), (4802, 3794213), (5089, 3580234), (5219, 3491054), (5831, 3124646), (10178, 1790117), (10438, 1745527), (11662, 1562323), (12359, 1474214), (15043, 1211182), (24718, 737107), (30086, 605591), (35623, 511462), (36533, 498722), (40817, 446378), (71246, 255731), (73066, 249361), (81634, 223189), (86513, 210602), (105301, 173026)]