19658384

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:335

約数の個数: 40

約数和(自身を含む): 39184992

約数和(自身を除く): 19526608

約数列:

[1, 2, 4, 8, 16, 83, 113, 131, 166, 226, 262, 332, 452, 524, 664, 904, 1048, 1328, 1808, 2096, 9379, 10873, 14803, 18758, 21746, 29606, 37516, 43492, 59212, 75032, 86984, 118424, 150064, 173968, 236848, 1228649, 2457298, 4914596, 9829192, 19658384]

約数ペア:

[(1, 19658384), (2, 9829192), (4, 4914596), (8, 2457298), (16, 1228649), (83, 236848), (113, 173968), (131, 150064), (166, 118424), (226, 86984), (262, 75032), (332, 59212), (452, 43492), (524, 37516), (664, 29606), (904, 21746), (1048, 18758), (1328, 14803), (1808, 10873), (2096, 9379)]