19270845

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 20127555

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 45, 55, 57, 95, 99, 135, 165, 171, 209, 285, 297, 495, 513, 627, 683, 855, 1045, 1485, 1881, 2049, 2565, 3135, 3415, 5643, 6147, 7513, 9405, 10245, 12977, 18441, 22539, 28215, 30735, 37565, 38931, 64885, 67617, 92205, 112695, 116793, 142747, 194655, 202851, 338085, 350379, 428241, 583965, 713735, 1014255, 1284723, 1751895, 2141205, 3854169, 6423615, 19270845]

約数ペア:

[(1, 19270845), (3, 6423615), (5, 3854169), (9, 2141205), (11, 1751895), (15, 1284723), (19, 1014255), (27, 713735), (33, 583965), (45, 428241), (55, 350379), (57, 338085), (95, 202851), (99, 194655), (135, 142747), (165, 116793), (171, 112695), (209, 92205), (285, 67617), (297, 64885), (495, 38931), (513, 37565), (627, 30735), (683, 28215), (855, 22539), (1045, 18441), (1485, 12977), (1881, 10245), (2049, 9405), (2565, 7513), (3135, 6147), (3415, 5643)]