19989045

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7793}}^1$

素因数の和:7826

約数の個数: 32

約数和(自身を含む): 37411200

約数和(自身を除く): 17422155

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 7793, 23379, 38965, 70137, 116895, 148067, 210411, 350685, 444201, 740335, 1052055, 1332603, 2221005, 3997809, 6663015, 19989045]

約数ペア:

[(1, 19989045), (3, 6663015), (5, 3997809), (9, 2221005), (15, 1332603), (19, 1052055), (27, 740335), (45, 444201), (57, 350685), (95, 210411), (135, 148067), (171, 116895), (285, 70137), (513, 38965), (855, 23379), (2565, 7793)]