19925958

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 26522682

約数列:

[1, 2, 3, 6, 13, 23, 26, 29, 39, 46, 58, 69, 78, 87, 138, 174, 299, 377, 383, 598, 667, 754, 766, 897, 1131, 1149, 1334, 1794, 2001, 2262, 2298, 4002, 4979, 8671, 8809, 9958, 11107, 14937, 17342, 17618, 22214, 26013, 26427, 29874, 33321, 52026, 52854, 66642, 114517, 144391, 229034, 255461, 288782, 343551, 433173, 510922, 687102, 766383, 866346, 1532766, 3320993, 6641986, 9962979, 19925958]

約数ペア:

[(1, 19925958), (2, 9962979), (3, 6641986), (6, 3320993), (13, 1532766), (23, 866346), (26, 766383), (29, 687102), (39, 510922), (46, 433173), (58, 343551), (69, 288782), (78, 255461), (87, 229034), (138, 144391), (174, 114517), (299, 66642), (377, 52854), (383, 52026), (598, 33321), (667, 29874), (754, 26427), (766, 26013), (897, 22214), (1131, 17618), (1149, 17342), (1334, 14937), (1794, 11107), (2001, 9958), (2262, 8809), (2298, 8671), (4002, 4979)]