18980493918

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:690

約数の個数: 128

約数和(自身を含む): 41511343104

約数和(自身を除く): 22530849186

約数列:

[1, 2, 3, 6, 23, 46, 61, 67, 69, 73, 122, 134, 138, 146, 183, 201, 219, 366, 402, 438, 461, 922, 1383, 1403, 1541, 1679, 2766, 2806, 3082, 3358, 4087, 4209, 4453, 4623, 4891, 5037, 8174, 8418, 8906, 9246, 9782, 10074, 10603, 12261, 13359, 14673, 21206, 24522, 26718, 28121, 29346, 30887, 31809, 33653, 56242, 61774, 63618, 67306, 84363, 92661, 94001, 100959, 102419, 112493, 168726, 185322, 188002, 201918, 204838, 224986, 282003, 298351, 307257, 337479, 564006, 596702, 614514, 646783, 674958, 710401, 774019, 895053, 1293566, 1420802, 1548038, 1790106, 1884107, 1940349, 2052833, 2131203, 2254751, 2322057, 3768214, 3880698, 4105666, 4262406, 4509502, 4644114, 5652321, 6158499, 6764253, 6862073, 11304642, 12316998, 13528506, 13724146, 20586219, 41172438, 43334461, 47215159, 51859273, 86668922, 94430318, 103718546, 130003383, 137539811, 141645477, 155577819, 260006766, 275079622, 283290954, 311155638, 412619433, 825238866, 3163415653, 6326831306, 9490246959, 18980493918]

約数ペア:

[(1, 18980493918), (2, 9490246959), (3, 6326831306), (6, 3163415653), (23, 825238866), (46, 412619433), (61, 311155638), (67, 283290954), (69, 275079622), (73, 260006766), (122, 155577819), (134, 141645477), (138, 137539811), (146, 130003383), (183, 103718546), (201, 94430318), (219, 86668922), (366, 51859273), (402, 47215159), (438, 43334461), (461, 41172438), (922, 20586219), (1383, 13724146), (1403, 13528506), (1541, 12316998), (1679, 11304642), (2766, 6862073), (2806, 6764253), (3082, 6158499), (3358, 5652321), (4087, 4644114), (4209, 4509502), (4453, 4262406), (4623, 4105666), (4891, 3880698), (5037, 3768214), (8174, 2322057), (8418, 2254751), (8906, 2131203), (9246, 2052833), (9782, 1940349), (10074, 1884107), (10603, 1790106), (12261, 1548038), (13359, 1420802), (14673, 1293566), (21206, 895053), (24522, 774019), (26718, 710401), (28121, 674958), (29346, 646783), (30887, 614514), (31809, 596702), (33653, 564006), (56242, 337479), (61774, 307257), (63618, 298351), (67306, 282003), (84363, 224986), (92661, 204838), (94001, 201918), (100959, 188002), (102419, 185322), (112493, 168726)]