19555965

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1013}}^1$

素因数の和:1051

約数の個数: 64

約数和(自身を含む): 40884480

約数和(自身を除く): 21328515

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 55, 65, 99, 117, 135, 143, 165, 195, 297, 351, 429, 495, 585, 715, 1013, 1287, 1485, 1755, 2145, 3039, 3861, 5065, 6435, 9117, 11143, 13169, 15195, 19305, 27351, 33429, 39507, 45585, 55715, 65845, 100287, 118521, 136755, 144859, 167145, 197535, 300861, 355563, 434577, 501435, 592605, 724295, 1303731, 1504305, 1777815, 2172885, 3911193, 6518655, 19555965]

約数ペア:

[(1, 19555965), (3, 6518655), (5, 3911193), (9, 2172885), (11, 1777815), (13, 1504305), (15, 1303731), (27, 724295), (33, 592605), (39, 501435), (45, 434577), (55, 355563), (65, 300861), (99, 197535), (117, 167145), (135, 144859), (143, 136755), (165, 118521), (195, 100287), (297, 65845), (351, 55715), (429, 45585), (495, 39507), (585, 33429), (715, 27351), (1013, 19305), (1287, 15195), (1485, 13169), (1755, 11143), (2145, 9117), (3039, 6435), (3861, 5065)]