19879725

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{3631}}^1$

素因数の和:3717

約数の個数: 24

約数和(自身を含む): 33327232

約数和(自身を除く): 13447507

約数列:

[1, 3, 5, 15, 25, 73, 75, 219, 365, 1095, 1825, 3631, 5475, 10893, 18155, 54465, 90775, 265063, 272325, 795189, 1325315, 3975945, 6626575, 19879725]

約数ペア:

[(1, 19879725), (3, 6626575), (5, 3975945), (15, 1325315), (25, 795189), (73, 272325), (75, 265063), (219, 90775), (365, 54465), (1095, 18155), (1825, 10893), (3631, 5475)]