16519797

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 29560960

約数和(自身を除く): 13041163

約数列:

[1, 3, 7, 9, 19, 21, 37, 57, 63, 111, 133, 171, 259, 333, 373, 399, 703, 777, 1119, 1197, 2109, 2331, 2611, 3357, 4921, 6327, 7087, 7833, 13801, 14763, 21261, 23499, 41403, 44289, 49609, 63783, 96607, 124209, 148827, 262219, 289821, 446481, 786657, 869463, 1835533, 2359971, 5506599, 16519797]

約数ペア:

[(1, 16519797), (3, 5506599), (7, 2359971), (9, 1835533), (19, 869463), (21, 786657), (37, 446481), (57, 289821), (63, 262219), (111, 148827), (133, 124209), (171, 96607), (259, 63783), (333, 49609), (373, 44289), (399, 41403), (703, 23499), (777, 21261), (1119, 14763), (1197, 13801), (2109, 7833), (2331, 7087), (2611, 6327), (3357, 4921)]