18604378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 32006016

約数和(自身を除く): 13401638

約数列:

[1, 2, 13, 23, 26, 46, 53, 106, 299, 587, 598, 689, 1174, 1219, 1378, 2438, 7631, 13501, 15262, 15847, 27002, 31111, 31694, 62222, 175513, 351026, 404443, 715553, 808886, 1431106, 9302189, 18604378]

約数ペア:

[(1, 18604378), (2, 9302189), (13, 1431106), (23, 808886), (26, 715553), (46, 404443), (53, 351026), (106, 175513), (299, 62222), (587, 31694), (598, 31111), (689, 27002), (1174, 15847), (1219, 15262), (1378, 13501), (2438, 7631)]