38893912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^2$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 79644600

約数和(自身を除く): 40750688

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 79, 82, 152, 158, 164, 316, 328, 632, 779, 1501, 1558, 3002, 3116, 3239, 6004, 6232, 6241, 6478, 12008, 12482, 12956, 24964, 25912, 49928, 61541, 118579, 123082, 237158, 246164, 255881, 474316, 492328, 511762, 948632, 1023524, 2047048, 4861739, 9723478, 19446956, 38893912]

約数ペア:

[(1, 38893912), (2, 19446956), (4, 9723478), (8, 4861739), (19, 2047048), (38, 1023524), (41, 948632), (76, 511762), (79, 492328), (82, 474316), (152, 255881), (158, 246164), (164, 237158), (316, 123082), (328, 118579), (632, 61541), (779, 49928), (1501, 25912), (1558, 24964), (3002, 12956), (3116, 12482), (3239, 12008), (6004, 6478), (6232, 6241)]