19642095

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4409}}^1$

素因数の和:4437

約数の個数: 40

約数和(自身を含む): 38419920

約数和(自身を除く): 18777825

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4409, 4455, 13227, 22045, 39681, 48499, 66135, 119043, 145497, 198405, 242495, 357129, 436491, 595215, 727485, 1309473, 1785645, 2182455, 3928419, 6547365, 19642095]

約数ペア:

[(1, 19642095), (3, 6547365), (5, 3928419), (9, 2182455), (11, 1785645), (15, 1309473), (27, 727485), (33, 595215), (45, 436491), (55, 357129), (81, 242495), (99, 198405), (135, 145497), (165, 119043), (297, 66135), (405, 48499), (495, 39681), (891, 22045), (1485, 13227), (4409, 4455)]