18852743

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 24686592

約数和(自身を除く): 5833849

約数列:

[1, 7, 13, 31, 41, 91, 163, 217, 287, 403, 533, 1141, 1271, 2119, 2821, 3731, 5053, 6683, 8897, 14833, 16523, 35371, 46781, 65689, 86879, 115661, 207173, 459823, 608153, 1450211, 2693249, 18852743]

約数ペア:

[(1, 18852743), (7, 2693249), (13, 1450211), (31, 608153), (41, 459823), (91, 207173), (163, 115661), (217, 86879), (287, 65689), (403, 46781), (533, 35371), (1141, 16523), (1271, 14833), (2119, 8897), (2821, 6683), (3731, 5053)]