20190065

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 29541120

約数和(自身を除く): 9351055

約数列:

[1, 5, 7, 19, 35, 95, 97, 133, 313, 485, 665, 679, 1565, 1843, 2191, 3395, 5947, 9215, 10955, 12901, 29735, 30361, 41629, 64505, 151805, 208145, 212527, 576859, 1062635, 2884295, 4038013, 20190065]

約数ペア:

[(1, 20190065), (5, 4038013), (7, 2884295), (19, 1062635), (35, 576859), (95, 212527), (97, 208145), (133, 151805), (313, 64505), (485, 41629), (665, 30361), (679, 29735), (1565, 12901), (1843, 10955), (2191, 9215), (3395, 5947)]