18956576001

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1\times {\mathrm{12743}}^1$

素因数の和:13557

約数の個数: 32

約数和(自身を含む): 28065346560

約数和(自身を除く): 9108770559

約数列:

[1, 3, 11, 33, 61, 183, 671, 739, 2013, 2217, 8129, 12743, 24387, 38229, 45079, 135237, 140173, 420519, 495869, 777323, 1487607, 2331969, 8550553, 9417077, 25651659, 28251231, 103587847, 310763541, 574441697, 1723325091, 6318858667, 18956576001]

約数ペア:

[(1, 18956576001), (3, 6318858667), (11, 1723325091), (33, 574441697), (61, 310763541), (183, 103587847), (671, 28251231), (739, 25651659), (2013, 9417077), (2217, 8550553), (8129, 2331969), (12743, 1487607), (24387, 777323), (38229, 495869), (45079, 420519), (135237, 140173)]