19865238

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3511}}^1$

素因数の和:3580

約数の個数: 32

約数和(自身を含む): 42481152

約数和(自身を除く): 22615914

約数列:

[1, 2, 3, 6, 23, 41, 46, 69, 82, 123, 138, 246, 943, 1886, 2829, 3511, 5658, 7022, 10533, 21066, 80753, 143951, 161506, 242259, 287902, 431853, 484518, 863706, 3310873, 6621746, 9932619, 19865238]

約数ペア:

[(1, 19865238), (2, 9932619), (3, 6621746), (6, 3310873), (23, 863706), (41, 484518), (46, 431853), (69, 287902), (82, 242259), (123, 161506), (138, 143951), (246, 80753), (943, 21066), (1886, 10533), (2829, 7022), (3511, 5658)]