18780304

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{4463}}^1$

素因数の和:4734

約数の個数: 20

約数和(自身を含む): 36533376

約数和(自身を除く): 17753072

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 4463, 8926, 17852, 35704, 71408, 1173769, 2347538, 4695076, 9390152, 18780304]

約数ペア:

[(1, 18780304), (2, 9390152), (4, 4695076), (8, 2347538), (16, 1173769), (263, 71408), (526, 35704), (1052, 17852), (2104, 8926), (4208, 4463)]