18238784

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:367

約数の個数: 56

約数和(自身を含む): 38953440

約数和(自身を除く): 20714656

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 53, 64, 76, 106, 152, 212, 283, 304, 424, 566, 608, 848, 1007, 1132, 1216, 1696, 2014, 2264, 3392, 4028, 4528, 5377, 8056, 9056, 10754, 14999, 16112, 18112, 21508, 29998, 32224, 43016, 59996, 64448, 86032, 119992, 172064, 239984, 284981, 344128, 479968, 569962, 959936, 1139924, 2279848, 4559696, 9119392, 18238784]

約数ペア:

[(1, 18238784), (2, 9119392), (4, 4559696), (8, 2279848), (16, 1139924), (19, 959936), (32, 569962), (38, 479968), (53, 344128), (64, 284981), (76, 239984), (106, 172064), (152, 119992), (212, 86032), (283, 64448), (304, 59996), (424, 43016), (566, 32224), (608, 29998), (848, 21508), (1007, 18112), (1132, 16112), (1216, 14999), (1696, 10754), (2014, 9056), (2264, 8056), (3392, 5377), (4028, 4528)]