19690112

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11833}}^1$

素因数の和:11860

約数の個数: 32

約数和(自身を含む): 42247380

約数和(自身を除く): 22557268

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11833, 23666, 47332, 94664, 153829, 189328, 307658, 378656, 615316, 757312, 1230632, 1514624, 2461264, 4922528, 9845056, 19690112]

約数ペア:

[(1, 19690112), (2, 9845056), (4, 4922528), (8, 2461264), (13, 1514624), (16, 1230632), (26, 757312), (32, 615316), (52, 378656), (64, 307658), (104, 189328), (128, 153829), (208, 94664), (416, 47332), (832, 23666), (1664, 11833)]