18718336

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1607}}^1$

素因数の和:1641

約数の個数: 64

約数和(自身を含む): 45924480

約数和(自身を除く): 27206144

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1607, 1664, 2912, 3214, 5824, 6428, 11249, 11648, 12856, 20891, 22498, 25712, 41782, 44996, 51424, 83564, 89992, 102848, 146237, 167128, 179984, 205696, 292474, 334256, 359968, 584948, 668512, 719936, 1169896, 1337024, 1439872, 2339792, 2674048, 4679584, 9359168, 18718336]

約数ペア:

[(1, 18718336), (2, 9359168), (4, 4679584), (7, 2674048), (8, 2339792), (13, 1439872), (14, 1337024), (16, 1169896), (26, 719936), (28, 668512), (32, 584948), (52, 359968), (56, 334256), (64, 292474), (91, 205696), (104, 179984), (112, 167128), (128, 146237), (182, 102848), (208, 89992), (224, 83564), (364, 51424), (416, 44996), (448, 41782), (728, 25712), (832, 22498), (896, 20891), (1456, 12856), (1607, 11648), (1664, 11249), (2912, 6428), (3214, 5824)]