19557136

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{373}}^1$

素因数の和:523

約数の個数: 40

約数和(自身を含む): 39651480

約数和(自身を除く): 20094344

約数列:

[1, 2, 4, 8, 16, 29, 58, 113, 116, 226, 232, 373, 452, 464, 746, 904, 1492, 1808, 2984, 3277, 5968, 6554, 10817, 13108, 21634, 26216, 42149, 43268, 52432, 84298, 86536, 168596, 173072, 337192, 674384, 1222321, 2444642, 4889284, 9778568, 19557136]

約数ペア:

[(1, 19557136), (2, 9778568), (4, 4889284), (8, 2444642), (16, 1222321), (29, 674384), (58, 337192), (113, 173072), (116, 168596), (226, 86536), (232, 84298), (373, 52432), (452, 43268), (464, 42149), (746, 26216), (904, 21634), (1492, 13108), (1808, 10817), (2984, 6554), (3277, 5968)]