19710690064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{6553}}^1\times {\mathrm{14461}}^1$

素因数の和:21035

約数の個数: 40

約数和(自身を含む): 41136233432

約数和(自身を除く): 21425543368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 6553, 13106, 14461, 26212, 28922, 52424, 57844, 85189, 104848, 115688, 170378, 187993, 231376, 340756, 375986, 681512, 751972, 1363024, 1503944, 3007888, 94762933, 189525866, 379051732, 758103464, 1231918129, 1516206928, 2463836258, 4927672516, 9855345032, 19710690064]

約数ペア:

[(1, 19710690064), (2, 9855345032), (4, 4927672516), (8, 2463836258), (13, 1516206928), (16, 1231918129), (26, 758103464), (52, 379051732), (104, 189525866), (208, 94762933), (6553, 3007888), (13106, 1503944), (14461, 1363024), (26212, 751972), (28922, 681512), (52424, 375986), (57844, 340756), (85189, 231376), (104848, 187993), (115688, 170378)]