18700288

素因数分解:

$2^{11}\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 39115440

約数和(自身を除く): 20415152

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 397, 512, 736, 794, 1024, 1472, 1588, 2048, 2944, 3176, 5888, 6352, 9131, 11776, 12704, 18262, 23552, 25408, 36524, 47104, 50816, 73048, 101632, 146096, 203264, 292192, 406528, 584384, 813056, 1168768, 2337536, 4675072, 9350144, 18700288]

約数ペア:

[(1, 18700288), (2, 9350144), (4, 4675072), (8, 2337536), (16, 1168768), (23, 813056), (32, 584384), (46, 406528), (64, 292192), (92, 203264), (128, 146096), (184, 101632), (256, 73048), (368, 50816), (397, 47104), (512, 36524), (736, 25408), (794, 23552), (1024, 18262), (1472, 12704), (1588, 11776), (2048, 9131), (2944, 6352), (3176, 5888)]