19219005

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 18520515

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 47, 65, 117, 135, 141, 195, 233, 235, 351, 423, 585, 611, 699, 705, 1165, 1269, 1755, 1833, 2097, 2115, 3029, 3055, 3495, 5499, 6291, 6345, 9087, 9165, 10485, 10951, 15145, 16497, 27261, 27495, 31455, 32853, 45435, 54755, 81783, 82485, 98559, 136305, 142363, 164265, 295677, 408915, 427089, 492795, 711815, 1281267, 1478385, 2135445, 3843801, 6406335, 19219005]

約数ペア:

[(1, 19219005), (3, 6406335), (5, 3843801), (9, 2135445), (13, 1478385), (15, 1281267), (27, 711815), (39, 492795), (45, 427089), (47, 408915), (65, 295677), (117, 164265), (135, 142363), (141, 136305), (195, 98559), (233, 82485), (235, 81783), (351, 54755), (423, 45435), (585, 32853), (611, 31455), (699, 27495), (705, 27261), (1165, 16497), (1269, 15145), (1755, 10951), (1833, 10485), (2097, 9165), (2115, 9087), (3029, 6345), (3055, 6291), (3495, 5499)]