19719240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1627}}^1$

素因数の和:1742

約数の個数: 64

約数和(自身を含む): 59780160

約数和(自身を除く): 40060920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1627, 2020, 2424, 3030, 3254, 4040, 4881, 6060, 6508, 8135, 9762, 12120, 13016, 16270, 19524, 24405, 32540, 39048, 48810, 65080, 97620, 164327, 195240, 328654, 492981, 657308, 821635, 985962, 1314616, 1643270, 1971924, 2464905, 3286540, 3943848, 4929810, 6573080, 9859620, 19719240]

約数ペア:

[(1, 19719240), (2, 9859620), (3, 6573080), (4, 4929810), (5, 3943848), (6, 3286540), (8, 2464905), (10, 1971924), (12, 1643270), (15, 1314616), (20, 985962), (24, 821635), (30, 657308), (40, 492981), (60, 328654), (101, 195240), (120, 164327), (202, 97620), (303, 65080), (404, 48810), (505, 39048), (606, 32540), (808, 24405), (1010, 19524), (1212, 16270), (1515, 13016), (1627, 12120), (2020, 9762), (2424, 8135), (3030, 6508), (3254, 6060), (4040, 4881)]