19745774719

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1\times {\mathrm{3863}}^1$

素因数の和:4591

約数の個数: 32

約数和(自身を含む): 23328668160

約数和(自身を除く): 3582893441

約数列:

[1, 11, 19, 37, 209, 407, 661, 703, 3863, 7271, 7733, 12559, 24457, 42493, 73397, 138149, 142931, 269027, 464683, 807367, 1572241, 2553443, 2715689, 5111513, 28087873, 29872579, 48515417, 94477391, 533669587, 1039251301, 1795070429, 19745774719]

約数ペア:

[(1, 19745774719), (11, 1795070429), (19, 1039251301), (37, 533669587), (209, 94477391), (407, 48515417), (661, 29872579), (703, 28087873), (3863, 5111513), (7271, 2715689), (7733, 2553443), (12559, 1572241), (24457, 807367), (42493, 464683), (73397, 269027), (138149, 142931)]