19757160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{54881}}^1$

素因数の和:54898

約数の個数: 48

約数和(自身を含む): 64211940

約数和(自身を除く): 44454780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 54881, 109762, 164643, 219524, 274405, 329286, 439048, 493929, 548810, 658572, 823215, 987858, 1097620, 1317144, 1646430, 1975716, 2195240, 2469645, 3292860, 3951432, 4939290, 6585720, 9878580, 19757160]

約数ペア:

[(1, 19757160), (2, 9878580), (3, 6585720), (4, 4939290), (5, 3951432), (6, 3292860), (8, 2469645), (9, 2195240), (10, 1975716), (12, 1646430), (15, 1317144), (18, 1097620), (20, 987858), (24, 823215), (30, 658572), (36, 548810), (40, 493929), (45, 439048), (60, 329286), (72, 274405), (90, 219524), (120, 164643), (180, 109762), (360, 54881)]