19910328

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{929}}^1$

素因数の和:1004

約数の個数: 64

約数和(自身を含む): 53568000

約数和(自身を除く): 33657672

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 47, 57, 76, 94, 114, 141, 152, 188, 228, 282, 376, 456, 564, 893, 929, 1128, 1786, 1858, 2679, 2787, 3572, 3716, 5358, 5574, 7144, 7432, 10716, 11148, 17651, 21432, 22296, 35302, 43663, 52953, 70604, 87326, 105906, 130989, 141208, 174652, 211812, 261978, 349304, 423624, 523956, 829597, 1047912, 1659194, 2488791, 3318388, 4977582, 6636776, 9955164, 19910328]

約数ペア:

[(1, 19910328), (2, 9955164), (3, 6636776), (4, 4977582), (6, 3318388), (8, 2488791), (12, 1659194), (19, 1047912), (24, 829597), (38, 523956), (47, 423624), (57, 349304), (76, 261978), (94, 211812), (114, 174652), (141, 141208), (152, 130989), (188, 105906), (228, 87326), (282, 70604), (376, 52953), (456, 43663), (564, 35302), (893, 22296), (929, 21432), (1128, 17651), (1786, 11148), (1858, 10716), (2679, 7432), (2787, 7144), (3572, 5574), (3716, 5358)]