18702019428

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{44507}}^1$

素因数の和:44649

約数の個数: 72

約数和(自身を含む): 46531511712

約数和(自身を除く): 27829492284

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 97, 114, 194, 228, 291, 361, 388, 582, 722, 1083, 1164, 1444, 1843, 2166, 3686, 4332, 5529, 7372, 11058, 22116, 35017, 44507, 70034, 89014, 105051, 133521, 140068, 178028, 210102, 267042, 420204, 534084, 845633, 1691266, 2536899, 3382532, 4317179, 5073798, 8634358, 10147596, 12951537, 16067027, 17268716, 25903074, 32134054, 48201081, 51806148, 64268108, 82026401, 96402162, 164052802, 192804324, 246079203, 328105604, 492158406, 984316812, 1558501619, 3117003238, 4675504857, 6234006476, 9351009714, 18702019428]

約数ペア:

[(1, 18702019428), (2, 9351009714), (3, 6234006476), (4, 4675504857), (6, 3117003238), (12, 1558501619), (19, 984316812), (38, 492158406), (57, 328105604), (76, 246079203), (97, 192804324), (114, 164052802), (194, 96402162), (228, 82026401), (291, 64268108), (361, 51806148), (388, 48201081), (582, 32134054), (722, 25903074), (1083, 17268716), (1164, 16067027), (1444, 12951537), (1843, 10147596), (2166, 8634358), (3686, 5073798), (4332, 4317179), (5529, 3382532), (7372, 2536899), (11058, 1691266), (22116, 845633), (35017, 534084), (44507, 420204), (70034, 267042), (89014, 210102), (105051, 178028), (133521, 140068)]