18230968

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 40930560

約数和(自身を除く): 22699592

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 67, 86, 113, 134, 172, 226, 268, 301, 344, 452, 469, 536, 602, 791, 904, 938, 1204, 1582, 1876, 2408, 2881, 3164, 3752, 4859, 5762, 6328, 7571, 9718, 11524, 15142, 19436, 20167, 23048, 30284, 34013, 38872, 40334, 52997, 60568, 68026, 80668, 105994, 136052, 161336, 211988, 272104, 325553, 423976, 651106, 1302212, 2278871, 2604424, 4557742, 9115484, 18230968]

約数ペア:

[(1, 18230968), (2, 9115484), (4, 4557742), (7, 2604424), (8, 2278871), (14, 1302212), (28, 651106), (43, 423976), (56, 325553), (67, 272104), (86, 211988), (113, 161336), (134, 136052), (172, 105994), (226, 80668), (268, 68026), (301, 60568), (344, 52997), (452, 40334), (469, 38872), (536, 34013), (602, 30284), (791, 23048), (904, 20167), (938, 19436), (1204, 15142), (1582, 11524), (1876, 9718), (2408, 7571), (2881, 6328), (3164, 5762), (3752, 4859)]