18782595

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 35529312

約数和(自身を除く): 16746717

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 97, 117, 195, 291, 331, 485, 585, 873, 993, 1261, 1455, 1655, 2979, 3783, 4303, 4365, 4965, 6305, 11349, 12909, 14895, 18915, 21515, 32107, 38727, 56745, 64545, 96321, 160535, 193635, 288963, 417391, 481605, 1252173, 1444815, 2086955, 3756519, 6260865, 18782595]

約数ペア:

[(1, 18782595), (3, 6260865), (5, 3756519), (9, 2086955), (13, 1444815), (15, 1252173), (39, 481605), (45, 417391), (65, 288963), (97, 193635), (117, 160535), (195, 96321), (291, 64545), (331, 56745), (485, 38727), (585, 32107), (873, 21515), (993, 18915), (1261, 14895), (1455, 12909), (1655, 11349), (2979, 6305), (3783, 4965), (4303, 4365)]