19194930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{787}}^1$

素因数の和:1071

約数の個数: 48

約数和(自身を含む): 50154624

約数和(自身を除く): 30959694

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 271, 542, 787, 813, 1355, 1574, 1626, 2361, 2439, 2710, 3935, 4065, 4722, 4878, 7083, 7870, 8130, 11805, 12195, 14166, 23610, 24390, 35415, 70830, 213277, 426554, 639831, 1066385, 1279662, 1919493, 2132770, 3199155, 3838986, 6398310, 9597465, 19194930]

約数ペア:

[(1, 19194930), (2, 9597465), (3, 6398310), (5, 3838986), (6, 3199155), (9, 2132770), (10, 1919493), (15, 1279662), (18, 1066385), (30, 639831), (45, 426554), (90, 213277), (271, 70830), (542, 35415), (787, 24390), (813, 23610), (1355, 14166), (1574, 12195), (1626, 11805), (2361, 8130), (2439, 7870), (2710, 7083), (3935, 4878), (4065, 4722)]