19947763396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{77723}}^1$

素因数の和:78064

約数の個数: 48

約数和(自身を含む): 40217506560

約数和(自身を除く): 20269743164

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 307, 418, 614, 836, 1228, 3377, 5833, 6754, 11666, 13508, 23332, 64163, 77723, 128326, 155446, 256652, 310892, 854953, 1476737, 1709906, 2953474, 3419812, 5906948, 16244107, 23860961, 32488214, 47721922, 64976428, 95443844, 262470571, 453358259, 524941142, 906716518, 1049882284, 1813433036, 4986940849, 9973881698, 19947763396]

約数ペア:

[(1, 19947763396), (2, 9973881698), (4, 4986940849), (11, 1813433036), (19, 1049882284), (22, 906716518), (38, 524941142), (44, 453358259), (76, 262470571), (209, 95443844), (307, 64976428), (418, 47721922), (614, 32488214), (836, 23860961), (1228, 16244107), (3377, 5906948), (5833, 3419812), (6754, 2953474), (11666, 1709906), (13508, 1476737), (23332, 854953), (64163, 310892), (77723, 256652), (128326, 155446)]