19606990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3209}}^1$

素因数の和:3276

約数の個数: 32

約数和(自身を含む): 38828160

約数和(自身を除く): 19221170

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 3209, 6110, 6418, 16045, 32090, 41717, 83434, 150823, 208585, 301646, 417170, 754115, 1508230, 1960699, 3921398, 9803495, 19606990]

約数ペア:

[(1, 19606990), (2, 9803495), (5, 3921398), (10, 1960699), (13, 1508230), (26, 754115), (47, 417170), (65, 301646), (94, 208585), (130, 150823), (235, 83434), (470, 41717), (611, 32090), (1222, 16045), (3055, 6418), (3209, 6110)]