19157970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49123}}^1$

素因数の和:49146

約数の個数: 32

約数和(自身を含む): 49516992

約数和(自身を除く): 30359022

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 49123, 98246, 147369, 245615, 294738, 491230, 638599, 736845, 1277198, 1473690, 1915797, 3192995, 3831594, 6385990, 9578985, 19157970]

約数ペア:

[(1, 19157970), (2, 9578985), (3, 6385990), (5, 3831594), (6, 3192995), (10, 1915797), (13, 1473690), (15, 1277198), (26, 736845), (30, 638599), (39, 491230), (65, 294738), (78, 245615), (130, 147369), (195, 98246), (390, 49123)]