18439668

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:126

約数の個数: 108

約数和(自身を含む): 53133444

約数和(自身を除く): 34693776

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 41, 52, 62, 78, 82, 93, 117, 123, 124, 156, 164, 186, 234, 246, 279, 369, 372, 403, 468, 492, 533, 558, 738, 806, 961, 1066, 1116, 1209, 1271, 1476, 1599, 1612, 1922, 2132, 2418, 2542, 2883, 3198, 3627, 3813, 3844, 4797, 4836, 5084, 5766, 6396, 7254, 7626, 8649, 9594, 11439, 11532, 12493, 14508, 15252, 16523, 17298, 19188, 22878, 24986, 33046, 34596, 37479, 39401, 45756, 49569, 49972, 66092, 74958, 78802, 99138, 112437, 118203, 148707, 149916, 157604, 198276, 224874, 236406, 297414, 354609, 449748, 472812, 512213, 594828, 709218, 1024426, 1418436, 1536639, 2048852, 3073278, 4609917, 6146556, 9219834, 18439668]

約数ペア:

[(1, 18439668), (2, 9219834), (3, 6146556), (4, 4609917), (6, 3073278), (9, 2048852), (12, 1536639), (13, 1418436), (18, 1024426), (26, 709218), (31, 594828), (36, 512213), (39, 472812), (41, 449748), (52, 354609), (62, 297414), (78, 236406), (82, 224874), (93, 198276), (117, 157604), (123, 149916), (124, 148707), (156, 118203), (164, 112437), (186, 99138), (234, 78802), (246, 74958), (279, 66092), (369, 49972), (372, 49569), (403, 45756), (468, 39401), (492, 37479), (533, 34596), (558, 33046), (738, 24986), (806, 22878), (961, 19188), (1066, 17298), (1116, 16523), (1209, 15252), (1271, 14508), (1476, 12493), (1599, 11532), (1612, 11439), (1922, 9594), (2132, 8649), (2418, 7626), (2542, 7254), (2883, 6396), (3198, 5766), (3627, 5084), (3813, 4836), (3844, 4797)]