18218751768

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{634181}}^1$

素因数の和:634222

約数の個数: 128

約数和(自身を含む): 60881472000

約数和(自身を除く): 42662720232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 84, 108, 114, 126, 133, 152, 168, 171, 189, 216, 228, 252, 266, 342, 378, 399, 456, 504, 513, 532, 684, 756, 798, 1026, 1064, 1197, 1368, 1512, 1596, 2052, 2394, 3192, 3591, 4104, 4788, 7182, 9576, 14364, 28728, 634181, 1268362, 1902543, 2536724, 3805086, 4439267, 5073448, 5707629, 7610172, 8878534, 11415258, 12049439, 13317801, 15220344, 17122887, 17757068, 22830516, 24098878, 26635602, 34245774, 35514136, 36148317, 39953403, 45661032, 48197756, 53271204, 68491548, 72296634, 79906806, 84346073, 96395512, 106542408, 108444951, 119860209, 136983096, 144593268, 159813612, 168692146, 216889902, 239720418, 253038219, 289186536, 319627224, 325334853, 337384292, 433779804, 479440836, 506076438, 650669706, 674768584, 759114657, 867559608, 958881672, 1012152876, 1301339412, 1518229314, 2024305752, 2277343971, 2602678824, 3036458628, 4554687942, 6072917256, 9109375884, 18218751768]

約数ペア:

[(1, 18218751768), (2, 9109375884), (3, 6072917256), (4, 4554687942), (6, 3036458628), (7, 2602678824), (8, 2277343971), (9, 2024305752), (12, 1518229314), (14, 1301339412), (18, 1012152876), (19, 958881672), (21, 867559608), (24, 759114657), (27, 674768584), (28, 650669706), (36, 506076438), (38, 479440836), (42, 433779804), (54, 337384292), (56, 325334853), (57, 319627224), (63, 289186536), (72, 253038219), (76, 239720418), (84, 216889902), (108, 168692146), (114, 159813612), (126, 144593268), (133, 136983096), (152, 119860209), (168, 108444951), (171, 106542408), (189, 96395512), (216, 84346073), (228, 79906806), (252, 72296634), (266, 68491548), (342, 53271204), (378, 48197756), (399, 45661032), (456, 39953403), (504, 36148317), (513, 35514136), (532, 34245774), (684, 26635602), (756, 24098878), (798, 22830516), (1026, 17757068), (1064, 17122887), (1197, 15220344), (1368, 13317801), (1512, 12049439), (1596, 11415258), (2052, 8878534), (2394, 7610172), (3192, 5707629), (3591, 5073448), (4104, 4439267), (4788, 3805086), (7182, 2536724), (9576, 1902543), (14364, 1268362), (28728, 634181)]