19529872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3779}}^1$

素因数の和:3823

約数の個数: 40

約数和(自身を含む): 42184800

約数和(自身を除く): 22654928

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 3779, 5168, 7558, 15116, 30232, 60464, 64243, 71801, 128486, 143602, 256972, 287204, 513944, 574408, 1027888, 1148816, 1220617, 2441234, 4882468, 9764936, 19529872]

約数ペア:

[(1, 19529872), (2, 9764936), (4, 4882468), (8, 2441234), (16, 1220617), (17, 1148816), (19, 1027888), (34, 574408), (38, 513944), (68, 287204), (76, 256972), (136, 143602), (152, 128486), (272, 71801), (304, 64243), (323, 60464), (646, 30232), (1292, 15116), (2584, 7558), (3779, 5168)]