18855088

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2131}}^1$

素因数の和:2225

約数の個数: 40

約数和(自身を含む): 42298880

約数和(自身を除く): 23443792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2131, 2212, 4262, 4424, 8524, 8848, 14917, 17048, 29834, 34096, 59668, 119336, 168349, 238672, 336698, 673396, 1178443, 1346792, 2356886, 2693584, 4713772, 9427544, 18855088]

約数ペア:

[(1, 18855088), (2, 9427544), (4, 4713772), (7, 2693584), (8, 2356886), (14, 1346792), (16, 1178443), (28, 673396), (56, 336698), (79, 238672), (112, 168349), (158, 119336), (316, 59668), (553, 34096), (632, 29834), (1106, 17048), (1264, 14917), (2131, 8848), (2212, 8524), (4262, 4424)]