19285216

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 39435984

約数和(自身を除く): 20150768

約数列:

[1, 2, 4, 8, 16, 32, 53, 83, 106, 137, 166, 212, 274, 332, 424, 548, 664, 848, 1096, 1328, 1696, 2192, 2656, 4384, 4399, 7261, 8798, 11371, 14522, 17596, 22742, 29044, 35192, 45484, 58088, 70384, 90968, 116176, 140768, 181936, 232352, 363872, 602663, 1205326, 2410652, 4821304, 9642608, 19285216]

約数ペア:

[(1, 19285216), (2, 9642608), (4, 4821304), (8, 2410652), (16, 1205326), (32, 602663), (53, 363872), (83, 232352), (106, 181936), (137, 140768), (166, 116176), (212, 90968), (274, 70384), (332, 58088), (424, 45484), (548, 35192), (664, 29044), (848, 22742), (1096, 17596), (1328, 14522), (1696, 11371), (2192, 8798), (2656, 7261), (4384, 4399)]