19724397

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{829}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 33146880

約数和(自身を除く): 13422483

約数列:

[1, 3, 7, 11, 21, 33, 77, 103, 231, 309, 721, 829, 1133, 2163, 2487, 3399, 5803, 7931, 9119, 17409, 23793, 27357, 63833, 85387, 191499, 256161, 597709, 939257, 1793127, 2817771, 6574799, 19724397]

約数ペア:

[(1, 19724397), (3, 6574799), (7, 2817771), (11, 1793127), (21, 939257), (33, 597709), (77, 256161), (103, 191499), (231, 85387), (309, 63833), (721, 27357), (829, 23793), (1133, 17409), (2163, 9119), (2487, 7931), (3399, 5803)]