19839116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1249}}^1$

素因数の和:1302

約数の個数: 36

約数和(自身を含む): 40005000

約数和(自身を除く): 20165884

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 361, 418, 722, 836, 1249, 1444, 2498, 3971, 4996, 7942, 13739, 15884, 23731, 27478, 47462, 54956, 94924, 261041, 450889, 522082, 901778, 1044164, 1803556, 4959779, 9919558, 19839116]

約数ペア:

[(1, 19839116), (2, 9919558), (4, 4959779), (11, 1803556), (19, 1044164), (22, 901778), (38, 522082), (44, 450889), (76, 261041), (209, 94924), (361, 54956), (418, 47462), (722, 27478), (836, 23731), (1249, 15884), (1444, 13739), (2498, 7942), (3971, 4996)]