19665345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 39813120

約数和(自身を除く): 20147775

約数列:

[1, 3, 5, 7, 15, 17, 21, 23, 35, 51, 69, 85, 105, 115, 119, 161, 255, 345, 357, 391, 479, 483, 595, 805, 1173, 1437, 1785, 1955, 2395, 2415, 2737, 3353, 5865, 7185, 8143, 8211, 10059, 11017, 13685, 16765, 24429, 33051, 40715, 41055, 50295, 55085, 57001, 77119, 122145, 165255, 171003, 187289, 231357, 285005, 385595, 561867, 855015, 936445, 1156785, 1311023, 2809335, 3933069, 6555115, 19665345]

約数ペア:

[(1, 19665345), (3, 6555115), (5, 3933069), (7, 2809335), (15, 1311023), (17, 1156785), (21, 936445), (23, 855015), (35, 561867), (51, 385595), (69, 285005), (85, 231357), (105, 187289), (115, 171003), (119, 165255), (161, 122145), (255, 77119), (345, 57001), (357, 55085), (391, 50295), (479, 41055), (483, 40715), (595, 33051), (805, 24429), (1173, 16765), (1437, 13685), (1785, 11017), (1955, 10059), (2395, 8211), (2415, 8143), (2737, 7185), (3353, 5865)]