18842474

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 34007040

約数和(自身を除く): 15164566

約数列:

[1, 2, 7, 14, 23, 46, 161, 163, 322, 326, 359, 718, 1141, 2282, 2513, 3749, 5026, 7498, 8257, 16514, 26243, 52486, 57799, 58517, 115598, 117034, 409619, 819238, 1345891, 2691782, 9421237, 18842474]

約数ペア:

[(1, 18842474), (2, 9421237), (7, 2691782), (14, 1345891), (23, 819238), (46, 409619), (161, 117034), (163, 115598), (322, 58517), (326, 57799), (359, 52486), (718, 26243), (1141, 16514), (2282, 8257), (2513, 7498), (3749, 5026)]