20348620038

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{1303}}^1$

素因数の和:1855

約数の個数: 128

約数和(自身を含む): 49272422400

約数和(自身を除く): 28923802362

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 31, 38, 54, 57, 62, 93, 114, 171, 186, 279, 342, 491, 513, 558, 589, 837, 982, 1026, 1178, 1303, 1473, 1674, 1767, 2606, 2946, 3534, 3909, 4419, 5301, 7818, 8838, 9329, 10602, 11727, 13257, 15221, 15903, 18658, 23454, 24757, 26514, 27987, 30442, 31806, 35181, 40393, 45663, 49514, 55974, 70362, 74271, 80786, 83961, 91326, 121179, 136989, 148542, 167922, 222813, 242358, 251883, 273978, 289199, 363537, 410967, 445626, 503766, 578398, 639773, 668439, 727074, 767467, 821934, 867597, 1090611, 1279546, 1336878, 1534934, 1735194, 1919319, 2181222, 2302401, 2602791, 3838638, 4604802, 5205582, 5757957, 6907203, 7808373, 11515914, 12155687, 13814406, 15616746, 17273871, 19832963, 20721609, 24311374, 34547742, 36467061, 39665926, 41443218, 59498889, 72934122, 109401183, 118997778, 178496667, 218802366, 328203549, 356993334, 376826297, 535490001, 656407098, 753652594, 1070980002, 1130478891, 2260957782, 3391436673, 6782873346, 10174310019, 20348620038]

約数ペア:

[(1, 20348620038), (2, 10174310019), (3, 6782873346), (6, 3391436673), (9, 2260957782), (18, 1130478891), (19, 1070980002), (27, 753652594), (31, 656407098), (38, 535490001), (54, 376826297), (57, 356993334), (62, 328203549), (93, 218802366), (114, 178496667), (171, 118997778), (186, 109401183), (279, 72934122), (342, 59498889), (491, 41443218), (513, 39665926), (558, 36467061), (589, 34547742), (837, 24311374), (982, 20721609), (1026, 19832963), (1178, 17273871), (1303, 15616746), (1473, 13814406), (1674, 12155687), (1767, 11515914), (2606, 7808373), (2946, 6907203), (3534, 5757957), (3909, 5205582), (4419, 4604802), (5301, 3838638), (7818, 2602791), (8838, 2302401), (9329, 2181222), (10602, 1919319), (11727, 1735194), (13257, 1534934), (15221, 1336878), (15903, 1279546), (18658, 1090611), (23454, 867597), (24757, 821934), (26514, 767467), (27987, 727074), (30442, 668439), (31806, 639773), (35181, 578398), (40393, 503766), (45663, 445626), (49514, 410967), (55974, 363537), (70362, 289199), (74271, 273978), (80786, 251883), (83961, 242358), (91326, 222813), (121179, 167922), (136989, 148542)]