19903644

素因数分解:

$2^2\times 3^5\times {\mathrm{20477}}^1$

素因数の和:20496

約数の個数: 36

約数和(自身を含む): 52177944

約数和(自身を除く): 32274300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 20477, 40954, 61431, 81908, 122862, 184293, 245724, 368586, 552879, 737172, 1105758, 1658637, 2211516, 3317274, 4975911, 6634548, 9951822, 19903644]

約数ペア:

[(1, 19903644), (2, 9951822), (3, 6634548), (4, 4975911), (6, 3317274), (9, 2211516), (12, 1658637), (18, 1105758), (27, 737172), (36, 552879), (54, 368586), (81, 245724), (108, 184293), (162, 122862), (243, 81908), (324, 61431), (486, 40954), (972, 20477)]