19641538

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 35094528

約数和(自身を除く): 15452990

約数列:

[1, 2, 7, 14, 31, 62, 167, 217, 271, 334, 434, 542, 1169, 1897, 2338, 3794, 5177, 8401, 10354, 16802, 36239, 45257, 58807, 72478, 90514, 117614, 316799, 633598, 1402967, 2805934, 9820769, 19641538]

約数ペア:

[(1, 19641538), (2, 9820769), (7, 2805934), (14, 1402967), (31, 633598), (62, 316799), (167, 117614), (217, 90514), (271, 72478), (334, 58807), (434, 45257), (542, 36239), (1169, 16802), (1897, 10354), (2338, 8401), (3794, 5177)]