16719620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1913}}^1$

素因数の和:1964

約数の個数: 48

約数和(自身を含む): 38586240

約数和(自身を除く): 21866620

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 1913, 2185, 3826, 4370, 7652, 8740, 9565, 19130, 36347, 38260, 43999, 72694, 87998, 145388, 175996, 181735, 219995, 363470, 439990, 726940, 835981, 879980, 1671962, 3343924, 4179905, 8359810, 16719620]

約数ペア:

[(1, 16719620), (2, 8359810), (4, 4179905), (5, 3343924), (10, 1671962), (19, 879980), (20, 835981), (23, 726940), (38, 439990), (46, 363470), (76, 219995), (92, 181735), (95, 175996), (115, 145388), (190, 87998), (230, 72694), (380, 43999), (437, 38260), (460, 36347), (874, 19130), (1748, 9565), (1913, 8740), (2185, 7652), (3826, 4370)]