19139575

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 29998080

約数和(自身を除く): 10858505

約数列:

[1, 5, 7, 13, 25, 35, 47, 65, 91, 175, 179, 235, 325, 329, 455, 611, 895, 1175, 1253, 1645, 2275, 2327, 3055, 4277, 4475, 6265, 8225, 8413, 11635, 15275, 16289, 21385, 31325, 42065, 58175, 58891, 81445, 106925, 109369, 210325, 294455, 407225, 546845, 765583, 1472275, 2734225, 3827915, 19139575]

約数ペア:

[(1, 19139575), (5, 3827915), (7, 2734225), (13, 1472275), (25, 765583), (35, 546845), (47, 407225), (65, 294455), (91, 210325), (175, 109369), (179, 106925), (235, 81445), (325, 58891), (329, 58175), (455, 42065), (611, 31325), (895, 21385), (1175, 16289), (1253, 15275), (1645, 11635), (2275, 8413), (2327, 8225), (3055, 6265), (4277, 4475)]