18446848

素因数分解:

$2^9\times 7^1\times {\mathrm{5147}}^1$

素因数の和:5172

約数の個数: 40

約数和(自身を含む): 42131232

約数和(自身を除く): 23684384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5147, 10294, 20588, 36029, 41176, 72058, 82352, 144116, 164704, 288232, 329408, 576464, 658816, 1152928, 1317632, 2305856, 2635264, 4611712, 9223424, 18446848]

約数ペア:

[(1, 18446848), (2, 9223424), (4, 4611712), (7, 2635264), (8, 2305856), (14, 1317632), (16, 1152928), (28, 658816), (32, 576464), (56, 329408), (64, 288232), (112, 164704), (128, 144116), (224, 82352), (256, 72058), (448, 41176), (512, 36029), (896, 20588), (1792, 10294), (3584, 5147)]