19585995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 38513664

約数和(自身を除く): 18927669

約数列:

[1, 3, 5, 11, 13, 15, 23, 33, 39, 55, 65, 69, 115, 143, 165, 195, 253, 299, 345, 397, 429, 715, 759, 897, 1191, 1265, 1495, 1985, 2145, 3289, 3795, 4367, 4485, 5161, 5955, 9131, 9867, 13101, 15483, 16445, 21835, 25805, 27393, 45655, 49335, 56771, 65505, 77415, 100441, 118703, 136965, 170313, 283855, 301323, 356109, 502205, 593515, 851565, 1305733, 1506615, 1780545, 3917199, 6528665, 19585995]

約数ペア:

[(1, 19585995), (3, 6528665), (5, 3917199), (11, 1780545), (13, 1506615), (15, 1305733), (23, 851565), (33, 593515), (39, 502205), (55, 356109), (65, 301323), (69, 283855), (115, 170313), (143, 136965), (165, 118703), (195, 100441), (253, 77415), (299, 65505), (345, 56771), (397, 49335), (429, 45655), (715, 27393), (759, 25805), (897, 21835), (1191, 16445), (1265, 15483), (1495, 13101), (1985, 9867), (2145, 9131), (3289, 5955), (3795, 5161), (4367, 4485)]