19004538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 47139840

約数和(自身を除く): 28135302

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 43, 51, 86, 102, 119, 129, 238, 258, 301, 357, 602, 619, 714, 731, 903, 1238, 1462, 1806, 1857, 2193, 3714, 4333, 4386, 5117, 8666, 10234, 10523, 12999, 15351, 21046, 25998, 26617, 30702, 31569, 53234, 63138, 73661, 79851, 147322, 159702, 186319, 220983, 372638, 441966, 452489, 558957, 904978, 1117914, 1357467, 2714934, 3167423, 6334846, 9502269, 19004538]

約数ペア:

[(1, 19004538), (2, 9502269), (3, 6334846), (6, 3167423), (7, 2714934), (14, 1357467), (17, 1117914), (21, 904978), (34, 558957), (42, 452489), (43, 441966), (51, 372638), (86, 220983), (102, 186319), (119, 159702), (129, 147322), (238, 79851), (258, 73661), (301, 63138), (357, 53234), (602, 31569), (619, 30702), (714, 26617), (731, 25998), (903, 21046), (1238, 15351), (1462, 12999), (1806, 10523), (1857, 10234), (2193, 8666), (3714, 5117), (4333, 4386)]