19015648

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:731

約数の個数: 48

約数和(自身を含む): 40037760

約数和(自身を除く): 21022112

約数列:

[1, 2, 4, 8, 16, 29, 31, 32, 58, 62, 116, 124, 232, 248, 464, 496, 661, 899, 928, 992, 1322, 1798, 2644, 3596, 5288, 7192, 10576, 14384, 19169, 20491, 21152, 28768, 38338, 40982, 76676, 81964, 153352, 163928, 306704, 327856, 594239, 613408, 655712, 1188478, 2376956, 4753912, 9507824, 19015648]

約数ペア:

[(1, 19015648), (2, 9507824), (4, 4753912), (8, 2376956), (16, 1188478), (29, 655712), (31, 613408), (32, 594239), (58, 327856), (62, 306704), (116, 163928), (124, 153352), (232, 81964), (248, 76676), (464, 40982), (496, 38338), (661, 28768), (899, 21152), (928, 20491), (992, 19169), (1322, 14384), (1798, 10576), (2644, 7192), (3596, 5288)]