19677310

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 36484992

約数和(自身を除く): 16807682

約数列:

[1, 2, 5, 10, 53, 106, 137, 265, 271, 274, 530, 542, 685, 1355, 1370, 2710, 7261, 14363, 14522, 28726, 36305, 37127, 71815, 72610, 74254, 143630, 185635, 371270, 1967731, 3935462, 9838655, 19677310]

約数ペア:

[(1, 19677310), (2, 9838655), (5, 3935462), (10, 1967731), (53, 371270), (106, 185635), (137, 143630), (265, 74254), (271, 72610), (274, 71815), (530, 37127), (542, 36305), (685, 28726), (1355, 14522), (1370, 14363), (2710, 7261)]