18323790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 128

約数和(自身を含む): 51425280

約数和(自身を除く): 33101490

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 31, 34, 38, 51, 57, 61, 62, 85, 93, 95, 102, 114, 122, 155, 170, 183, 186, 190, 255, 285, 305, 310, 323, 366, 465, 510, 527, 570, 589, 610, 646, 915, 930, 969, 1037, 1054, 1159, 1178, 1581, 1615, 1767, 1830, 1891, 1938, 2074, 2318, 2635, 2945, 3111, 3162, 3230, 3477, 3534, 3782, 4845, 5185, 5270, 5673, 5795, 5890, 6222, 6954, 7905, 8835, 9455, 9690, 10013, 10370, 11346, 11590, 15555, 15810, 17385, 17670, 18910, 19703, 20026, 28365, 30039, 31110, 32147, 34770, 35929, 39406, 50065, 56730, 59109, 60078, 64294, 71858, 96441, 98515, 100130, 107787, 118218, 150195, 160735, 179645, 192882, 197030, 215574, 295545, 300390, 321470, 359290, 482205, 538935, 591090, 610793, 964410, 1077870, 1221586, 1832379, 3053965, 3664758, 6107930, 9161895, 18323790]

約数ペア:

[(1, 18323790), (2, 9161895), (3, 6107930), (5, 3664758), (6, 3053965), (10, 1832379), (15, 1221586), (17, 1077870), (19, 964410), (30, 610793), (31, 591090), (34, 538935), (38, 482205), (51, 359290), (57, 321470), (61, 300390), (62, 295545), (85, 215574), (93, 197030), (95, 192882), (102, 179645), (114, 160735), (122, 150195), (155, 118218), (170, 107787), (183, 100130), (186, 98515), (190, 96441), (255, 71858), (285, 64294), (305, 60078), (310, 59109), (323, 56730), (366, 50065), (465, 39406), (510, 35929), (527, 34770), (570, 32147), (589, 31110), (610, 30039), (646, 28365), (915, 20026), (930, 19703), (969, 18910), (1037, 17670), (1054, 17385), (1159, 15810), (1178, 15555), (1581, 11590), (1615, 11346), (1767, 10370), (1830, 10013), (1891, 9690), (1938, 9455), (2074, 8835), (2318, 7905), (2635, 6954), (2945, 6222), (3111, 5890), (3162, 5795), (3230, 5673), (3477, 5270), (3534, 5185), (3782, 4845)]