18638690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{4513}}^1$

素因数の和:4586

約数の個数: 32

約数和(自身を含む): 39000960

約数和(自身を除く): 20362270

約数列:

[1, 2, 5, 7, 10, 14, 35, 59, 70, 118, 295, 413, 590, 826, 2065, 4130, 4513, 9026, 22565, 31591, 45130, 63182, 157955, 266267, 315910, 532534, 1331335, 1863869, 2662670, 3727738, 9319345, 18638690]

約数ペア:

[(1, 18638690), (2, 9319345), (5, 3727738), (7, 2662670), (10, 1863869), (14, 1331335), (35, 532534), (59, 315910), (70, 266267), (118, 157955), (295, 63182), (413, 45130), (590, 31591), (826, 22565), (2065, 9026), (4130, 4513)]