19280020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{16339}}^1$

素因数の和:16407

約数の個数: 24

約数和(自身を含む): 41176800

約数和(自身を除く): 21896780

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 16339, 32678, 65356, 81695, 163390, 326780, 964001, 1928002, 3856004, 4820005, 9640010, 19280020]

約数ペア:

[(1, 19280020), (2, 9640010), (4, 4820005), (5, 3856004), (10, 1928002), (20, 964001), (59, 326780), (118, 163390), (236, 81695), (295, 65356), (590, 32678), (1180, 16339)]