19171485

素因数分解:

$3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 35642880

約数和(自身を除く): 16471395

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 243, 279, 405, 465, 509, 837, 1215, 1395, 1527, 2511, 2545, 4185, 4581, 7533, 7635, 12555, 13743, 15779, 22905, 37665, 41229, 47337, 68715, 78895, 123687, 142011, 206145, 236685, 426033, 618435, 710055, 1278099, 2130165, 3834297, 6390495, 19171485]

約数ペア:

[(1, 19171485), (3, 6390495), (5, 3834297), (9, 2130165), (15, 1278099), (27, 710055), (31, 618435), (45, 426033), (81, 236685), (93, 206145), (135, 142011), (155, 123687), (243, 78895), (279, 68715), (405, 47337), (465, 41229), (509, 37665), (837, 22905), (1215, 15779), (1395, 13743), (1527, 12555), (2511, 7635), (2545, 7533), (4185, 4581)]