19400744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1951}}^1$

素因数の和:2081

約数の個数: 32

約数和(自身を含む): 40055040

約数和(自身を除く): 20654296

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 113, 226, 452, 904, 1243, 1951, 2486, 3902, 4972, 7804, 9944, 15608, 21461, 42922, 85844, 171688, 220463, 440926, 881852, 1763704, 2425093, 4850186, 9700372, 19400744]

約数ペア:

[(1, 19400744), (2, 9700372), (4, 4850186), (8, 2425093), (11, 1763704), (22, 881852), (44, 440926), (88, 220463), (113, 171688), (226, 85844), (452, 42922), (904, 21461), (1243, 15608), (1951, 9944), (2486, 7804), (3902, 4972)]