18618496

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 40783680

約数和(自身を除く): 22165184

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 167, 208, 268, 334, 416, 536, 668, 832, 871, 1072, 1336, 1664, 1742, 2144, 2171, 2672, 3484, 4288, 4342, 5344, 6968, 8576, 8684, 10688, 11189, 13936, 17368, 21376, 22378, 27872, 34736, 44756, 55744, 69472, 89512, 111488, 138944, 145457, 179024, 277888, 290914, 358048, 581828, 716096, 1163656, 1432192, 2327312, 4654624, 9309248, 18618496]

約数ペア:

[(1, 18618496), (2, 9309248), (4, 4654624), (8, 2327312), (13, 1432192), (16, 1163656), (26, 716096), (32, 581828), (52, 358048), (64, 290914), (67, 277888), (104, 179024), (128, 145457), (134, 138944), (167, 111488), (208, 89512), (268, 69472), (334, 55744), (416, 44756), (536, 34736), (668, 27872), (832, 22378), (871, 21376), (1072, 17368), (1336, 13936), (1664, 11189), (1742, 10688), (2144, 8684), (2171, 8576), (2672, 6968), (3484, 5344), (4288, 4342)]