19662928

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1367}}^1$

素因数の和:1435

約数の個数: 40

約数和(自身を含む): 40711680

約数和(自身を除く): 21048752

約数列:

[1, 2, 4, 8, 16, 29, 31, 58, 62, 116, 124, 232, 248, 464, 496, 899, 1367, 1798, 2734, 3596, 5468, 7192, 10936, 14384, 21872, 39643, 42377, 79286, 84754, 158572, 169508, 317144, 339016, 634288, 678032, 1228933, 2457866, 4915732, 9831464, 19662928]

約数ペア:

[(1, 19662928), (2, 9831464), (4, 4915732), (8, 2457866), (16, 1228933), (29, 678032), (31, 634288), (58, 339016), (62, 317144), (116, 169508), (124, 158572), (232, 84754), (248, 79286), (464, 42377), (496, 39643), (899, 21872), (1367, 14384), (1798, 10936), (2734, 7192), (3596, 5468)]