19530316

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:370

約数の個数: 36

約数和(自身を含む): 37446192

約数和(自身を除く): 17915876

約数列:

[1, 2, 4, 13, 26, 52, 167, 169, 173, 334, 338, 346, 668, 676, 692, 2171, 2249, 4342, 4498, 8684, 8996, 28223, 28891, 29237, 56446, 57782, 58474, 112892, 115564, 116948, 375583, 751166, 1502332, 4882579, 9765158, 19530316]

約数ペア:

[(1, 19530316), (2, 9765158), (4, 4882579), (13, 1502332), (26, 751166), (52, 375583), (167, 116948), (169, 115564), (173, 112892), (334, 58474), (338, 57782), (346, 56446), (668, 29237), (676, 28891), (692, 28223), (2171, 8996), (2249, 8684), (4342, 4498)]