18816256

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2371}}^1$

素因数の和:2418

約数の個数: 36

約数和(自身を含む): 38786944

約数和(自身を除く): 19970688

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 2371, 3968, 4742, 7936, 9484, 18968, 37936, 73501, 75872, 147002, 151744, 294004, 303488, 588008, 606976, 1176016, 2352032, 4704064, 9408128, 18816256]

約数ペア:

[(1, 18816256), (2, 9408128), (4, 4704064), (8, 2352032), (16, 1176016), (31, 606976), (32, 588008), (62, 303488), (64, 294004), (124, 151744), (128, 147002), (248, 75872), (256, 73501), (496, 37936), (992, 18968), (1984, 9484), (2371, 7936), (3968, 4742)]