19917362296

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{73013}}^1$

素因数の和:73136

約数の個数: 64

約数和(自身を含む): 41828260320

約数和(自身を除く): 21910898024

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 61, 86, 104, 122, 172, 244, 344, 488, 559, 793, 1118, 1586, 2236, 2623, 3172, 4472, 5246, 6344, 10492, 20984, 34099, 68198, 73013, 136396, 146026, 272792, 292052, 584104, 949169, 1898338, 3139559, 3796676, 4453793, 6279118, 7593352, 8907586, 12558236, 17815172, 25116472, 35630344, 40814267, 57899309, 81628534, 115798618, 163257068, 191513099, 231597236, 326514136, 383026198, 463194472, 766052396, 1532104792, 2489670287, 4979340574, 9958681148, 19917362296]

約数ペア:

[(1, 19917362296), (2, 9958681148), (4, 4979340574), (8, 2489670287), (13, 1532104792), (26, 766052396), (43, 463194472), (52, 383026198), (61, 326514136), (86, 231597236), (104, 191513099), (122, 163257068), (172, 115798618), (244, 81628534), (344, 57899309), (488, 40814267), (559, 35630344), (793, 25116472), (1118, 17815172), (1586, 12558236), (2236, 8907586), (2623, 7593352), (3172, 6279118), (4472, 4453793), (5246, 3796676), (6344, 3139559), (10492, 1898338), (20984, 949169), (34099, 584104), (68198, 292052), (73013, 272792), (136396, 146026)]