19659952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3049}}^1$

素因数の和:3101

約数の個数: 40

約数和(自身を含む): 42358400

約数和(自身を除く): 22698448

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3049, 3224, 6098, 6448, 12196, 24392, 39637, 48784, 79274, 94519, 158548, 189038, 317096, 378076, 634192, 756152, 1228747, 1512304, 2457494, 4914988, 9829976, 19659952]

約数ペア:

[(1, 19659952), (2, 9829976), (4, 4914988), (8, 2457494), (13, 1512304), (16, 1228747), (26, 756152), (31, 634192), (52, 378076), (62, 317096), (104, 189038), (124, 158548), (208, 94519), (248, 79274), (403, 48784), (496, 39637), (806, 24392), (1612, 12196), (3049, 6448), (3224, 6098)]