19309784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2237}}^1$

素因数の和:2339

約数の個数: 32

約数和(自身を含む): 39478320

約数和(自身を除く): 20168536

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 332, 664, 1079, 2158, 2237, 4316, 4474, 8632, 8948, 17896, 29081, 58162, 116324, 185671, 232648, 371342, 742684, 1485368, 2413723, 4827446, 9654892, 19309784]

約数ペア:

[(1, 19309784), (2, 9654892), (4, 4827446), (8, 2413723), (13, 1485368), (26, 742684), (52, 371342), (83, 232648), (104, 185671), (166, 116324), (332, 58162), (664, 29081), (1079, 17896), (2158, 8948), (2237, 8632), (4316, 4474)]