18448979936

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{645611}}^1$

素因数の和:645687

約数の個数: 48

約数和(自身を含む): 39046613760

約数和(自身を除く): 20597633824

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 76, 94, 152, 188, 304, 376, 608, 752, 893, 1504, 1786, 3572, 7144, 14288, 28576, 645611, 1291222, 2582444, 5164888, 10329776, 12266609, 20659552, 24533218, 30343717, 49066436, 60687434, 98132872, 121374868, 196265744, 242749736, 392531488, 485499472, 576530623, 970998944, 1153061246, 2306122492, 4612244984, 9224489968, 18448979936]

約数ペア:

[(1, 18448979936), (2, 9224489968), (4, 4612244984), (8, 2306122492), (16, 1153061246), (19, 970998944), (32, 576530623), (38, 485499472), (47, 392531488), (76, 242749736), (94, 196265744), (152, 121374868), (188, 98132872), (304, 60687434), (376, 49066436), (608, 30343717), (752, 24533218), (893, 20659552), (1504, 12266609), (1786, 10329776), (3572, 5164888), (7144, 2582444), (14288, 1291222), (28576, 645611)]