17889664

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{827}}^1$

素因数の和:867

約数の個数: 48

約数和(自身を含む): 38638620

約数和(自身を除く): 20748956

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 338, 416, 676, 827, 832, 1352, 1654, 1664, 2704, 3308, 5408, 6616, 10751, 10816, 13232, 21502, 21632, 26464, 43004, 52928, 86008, 105856, 139763, 172016, 279526, 344032, 559052, 688064, 1118104, 1376128, 2236208, 4472416, 8944832, 17889664]

約数ペア:

[(1, 17889664), (2, 8944832), (4, 4472416), (8, 2236208), (13, 1376128), (16, 1118104), (26, 688064), (32, 559052), (52, 344032), (64, 279526), (104, 172016), (128, 139763), (169, 105856), (208, 86008), (338, 52928), (416, 43004), (676, 26464), (827, 21632), (832, 21502), (1352, 13232), (1654, 10816), (1664, 10751), (2704, 6616), (3308, 5408)]