19863075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 35354880

約数和(自身を除く): 15491805

約数列:

[1, 3, 5, 15, 19, 25, 53, 57, 75, 95, 159, 263, 265, 285, 475, 789, 795, 1007, 1315, 1325, 1425, 3021, 3945, 3975, 4997, 5035, 6575, 13939, 14991, 15105, 19725, 24985, 25175, 41817, 69695, 74955, 75525, 124925, 209085, 264841, 348475, 374775, 794523, 1045425, 1324205, 3972615, 6621025, 19863075]

約数ペア:

[(1, 19863075), (3, 6621025), (5, 3972615), (15, 1324205), (19, 1045425), (25, 794523), (53, 374775), (57, 348475), (75, 264841), (95, 209085), (159, 124925), (263, 75525), (265, 74955), (285, 69695), (475, 41817), (789, 25175), (795, 24985), (1007, 19725), (1315, 15105), (1325, 14991), (1425, 13939), (3021, 6575), (3945, 5035), (3975, 4997)]