19262490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49391}}^1$

素因数の和:49414

約数の個数: 32

約数和(自身を含む): 49787136

約数和(自身を除く): 30524646

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 49391, 98782, 148173, 246955, 296346, 493910, 642083, 740865, 1284166, 1481730, 1926249, 3210415, 3852498, 6420830, 9631245, 19262490]

約数ペア:

[(1, 19262490), (2, 9631245), (3, 6420830), (5, 3852498), (6, 3210415), (10, 1926249), (13, 1481730), (15, 1284166), (26, 740865), (30, 642083), (39, 493910), (65, 296346), (78, 246955), (130, 148173), (195, 98782), (390, 49391)]