18806960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12373}}^1$

素因数の和:12405

約数の個数: 40

約数和(自身を含む): 46031280

約数和(自身を除く): 27224320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12373, 24746, 49492, 61865, 98984, 123730, 197968, 235087, 247460, 470174, 494920, 940348, 989840, 1175435, 1880696, 2350870, 3761392, 4701740, 9403480, 18806960]

約数ペア:

[(1, 18806960), (2, 9403480), (4, 4701740), (5, 3761392), (8, 2350870), (10, 1880696), (16, 1175435), (19, 989840), (20, 940348), (38, 494920), (40, 470174), (76, 247460), (80, 235087), (95, 197968), (152, 123730), (190, 98984), (304, 61865), (380, 49492), (760, 24746), (1520, 12373)]