18155552

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:273

約数の個数: 48

約数和(自身を含む): 37122624

約数和(自身を除く): 18967072

約数列:

[1, 2, 4, 8, 16, 32, 61, 71, 122, 131, 142, 244, 262, 284, 488, 524, 568, 976, 1048, 1136, 1952, 2096, 2272, 4192, 4331, 7991, 8662, 9301, 15982, 17324, 18602, 31964, 34648, 37204, 63928, 69296, 74408, 127856, 138592, 148816, 255712, 297632, 567361, 1134722, 2269444, 4538888, 9077776, 18155552]

約数ペア:

[(1, 18155552), (2, 9077776), (4, 4538888), (8, 2269444), (16, 1134722), (32, 567361), (61, 297632), (71, 255712), (122, 148816), (131, 138592), (142, 127856), (244, 74408), (262, 69296), (284, 63928), (488, 37204), (524, 34648), (568, 31964), (976, 18602), (1048, 17324), (1136, 15982), (1952, 9301), (2096, 8662), (2272, 7991), (4192, 4331)]