19219304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1021}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 39060840

約数和(自身を除く): 19841536

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181, 362, 724, 1021, 1448, 2042, 2353, 4084, 4706, 8168, 9412, 13273, 18824, 26546, 53092, 106184, 184801, 369602, 739204, 1478408, 2402413, 4804826, 9609652, 19219304]

約数ペア:

[(1, 19219304), (2, 9609652), (4, 4804826), (8, 2402413), (13, 1478408), (26, 739204), (52, 369602), (104, 184801), (181, 106184), (362, 53092), (724, 26546), (1021, 18824), (1448, 13273), (2042, 9412), (2353, 8168), (4084, 4706)]