18415728

素因数分解:

$2^4\times 3^3\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:971

約数の個数: 80

約数和(自身を含む): 54044160

約数和(自身を除く): 35628432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 47, 48, 54, 72, 94, 108, 141, 144, 188, 216, 282, 376, 423, 432, 564, 752, 846, 907, 1128, 1269, 1692, 1814, 2256, 2538, 2721, 3384, 3628, 5076, 5442, 6768, 7256, 8163, 10152, 10884, 14512, 16326, 20304, 21768, 24489, 32652, 42629, 43536, 48978, 65304, 85258, 97956, 127887, 130608, 170516, 195912, 255774, 341032, 383661, 391824, 511548, 682064, 767322, 1023096, 1150983, 1534644, 2046192, 2301966, 3069288, 4603932, 6138576, 9207864, 18415728]

約数ペア:

[(1, 18415728), (2, 9207864), (3, 6138576), (4, 4603932), (6, 3069288), (8, 2301966), (9, 2046192), (12, 1534644), (16, 1150983), (18, 1023096), (24, 767322), (27, 682064), (36, 511548), (47, 391824), (48, 383661), (54, 341032), (72, 255774), (94, 195912), (108, 170516), (141, 130608), (144, 127887), (188, 97956), (216, 85258), (282, 65304), (376, 48978), (423, 43536), (432, 42629), (564, 32652), (752, 24489), (846, 21768), (907, 20304), (1128, 16326), (1269, 14512), (1692, 10884), (1814, 10152), (2256, 8163), (2538, 7256), (2721, 6768), (3384, 5442), (3628, 5076)]