19290945

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 32497920

約数和(自身を除く): 13206975

約数列:

[1, 3, 5, 15, 29, 61, 87, 145, 183, 305, 435, 727, 915, 1769, 2181, 3635, 5307, 8845, 10905, 21083, 26535, 44347, 63249, 105415, 133041, 221735, 316245, 665205, 1286063, 3858189, 6430315, 19290945]

約数ペア:

[(1, 19290945), (3, 6430315), (5, 3858189), (15, 1286063), (29, 665205), (61, 316245), (87, 221735), (145, 133041), (183, 105415), (305, 63249), (435, 44347), (727, 26535), (915, 21083), (1769, 10905), (2181, 8845), (3635, 5307)]