1815702016

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{186647}}^1$

素因数の和:186684

約数の個数: 40

約数和(自身を含む): 3818818080

約数和(自身を除く): 2003116064

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2432, 4864, 9728, 186647, 373294, 746588, 1493176, 2986352, 3546293, 5972704, 7092586, 11945408, 14185172, 23890816, 28370344, 47781632, 56740688, 95563264, 113481376, 226962752, 453925504, 907851008, 1815702016]

約数ペア:

[(1, 1815702016), (2, 907851008), (4, 453925504), (8, 226962752), (16, 113481376), (19, 95563264), (32, 56740688), (38, 47781632), (64, 28370344), (76, 23890816), (128, 14185172), (152, 11945408), (256, 7092586), (304, 5972704), (512, 3546293), (608, 2986352), (1216, 1493176), (2432, 746588), (4864, 373294), (9728, 186647)]