19394122480

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{525871}}^1$

素因数の和:526345

約数の個数: 40

約数和(自身を含む): 45189232704

約数和(自身を除く): 25795110224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1844, 2305, 3688, 4610, 7376, 9220, 18440, 36880, 525871, 1051742, 2103484, 2629355, 4206968, 5258710, 8413936, 10517420, 21034840, 42069680, 242426531, 484853062, 969706124, 1212132655, 1939412248, 2424265310, 3878824496, 4848530620, 9697061240, 19394122480]

約数ペア:

[(1, 19394122480), (2, 9697061240), (4, 4848530620), (5, 3878824496), (8, 2424265310), (10, 1939412248), (16, 1212132655), (20, 969706124), (40, 484853062), (80, 242426531), (461, 42069680), (922, 21034840), (1844, 10517420), (2305, 8413936), (3688, 5258710), (4610, 4206968), (7376, 2629355), (9220, 2103484), (18440, 1051742), (36880, 525871)]