19181370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 50077440

約数和(自身を除く): 30896070

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 137, 195, 274, 359, 390, 411, 685, 718, 822, 1077, 1370, 1781, 1795, 2055, 2154, 3562, 3590, 4110, 4667, 5343, 5385, 8905, 9334, 10686, 10770, 14001, 17810, 23335, 26715, 28002, 46670, 49183, 53430, 70005, 98366, 140010, 147549, 245915, 295098, 491830, 639379, 737745, 1278758, 1475490, 1918137, 3196895, 3836274, 6393790, 9590685, 19181370]

約数ペア:

[(1, 19181370), (2, 9590685), (3, 6393790), (5, 3836274), (6, 3196895), (10, 1918137), (13, 1475490), (15, 1278758), (26, 737745), (30, 639379), (39, 491830), (65, 295098), (78, 245915), (130, 147549), (137, 140010), (195, 98366), (274, 70005), (359, 53430), (390, 49183), (411, 46670), (685, 28002), (718, 26715), (822, 23335), (1077, 17810), (1370, 14001), (1781, 10770), (1795, 10686), (2055, 9334), (2154, 8905), (3562, 5385), (3590, 5343), (4110, 4667)]