19889865

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 37202880

約数和(自身を除く): 17313015

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 215, 285, 387, 541, 645, 817, 855, 1623, 1935, 2451, 2705, 4085, 4869, 7353, 8115, 10279, 12255, 23263, 24345, 30837, 36765, 51395, 69789, 92511, 116315, 154185, 209367, 348945, 441997, 462555, 1046835, 1325991, 2209985, 3977973, 6629955, 19889865]

約数ペア:

[(1, 19889865), (3, 6629955), (5, 3977973), (9, 2209985), (15, 1325991), (19, 1046835), (43, 462555), (45, 441997), (57, 348945), (95, 209367), (129, 154185), (171, 116315), (215, 92511), (285, 69789), (387, 51395), (541, 36765), (645, 30837), (817, 24345), (855, 23263), (1623, 12255), (1935, 10279), (2451, 8115), (2705, 7353), (4085, 4869)]