18800912984

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{570001}}^1$

素因数の和:570064

約数の個数: 64

約数和(自身を含む): 43776153600

約数和(自身を除く): 24975240616

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 217, 248, 266, 434, 532, 589, 868, 1064, 1178, 1736, 2356, 4123, 4712, 8246, 16492, 32984, 570001, 1140002, 2280004, 3990007, 4560008, 7980014, 10830019, 15960028, 17670031, 21660038, 31920056, 35340062, 43320076, 70680124, 75810133, 86640152, 123690217, 141360248, 151620266, 247380434, 303240532, 335730589, 494760868, 606481064, 671461178, 989521736, 1342922356, 2350114123, 2685844712, 4700228246, 9400456492, 18800912984]

約数ペア:

[(1, 18800912984), (2, 9400456492), (4, 4700228246), (7, 2685844712), (8, 2350114123), (14, 1342922356), (19, 989521736), (28, 671461178), (31, 606481064), (38, 494760868), (56, 335730589), (62, 303240532), (76, 247380434), (124, 151620266), (133, 141360248), (152, 123690217), (217, 86640152), (248, 75810133), (266, 70680124), (434, 43320076), (532, 35340062), (589, 31920056), (868, 21660038), (1064, 17670031), (1178, 15960028), (1736, 10830019), (2356, 7980014), (4123, 4560008), (4712, 3990007), (8246, 2280004), (16492, 1140002), (32984, 570001)]