19983240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18503}}^1$

素因数の和:18523

約数の個数: 64

約数和(自身を含む): 66614400

約数和(自身を除く): 46631160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18503, 37006, 55509, 74012, 92515, 111018, 148024, 166527, 185030, 222036, 277545, 333054, 370060, 444072, 499581, 555090, 666108, 740120, 832635, 999162, 1110180, 1332216, 1665270, 1998324, 2220360, 2497905, 3330540, 3996648, 4995810, 6661080, 9991620, 19983240]

約数ペア:

[(1, 19983240), (2, 9991620), (3, 6661080), (4, 4995810), (5, 3996648), (6, 3330540), (8, 2497905), (9, 2220360), (10, 1998324), (12, 1665270), (15, 1332216), (18, 1110180), (20, 999162), (24, 832635), (27, 740120), (30, 666108), (36, 555090), (40, 499581), (45, 444072), (54, 370060), (60, 333054), (72, 277545), (90, 222036), (108, 185030), (120, 166527), (135, 148024), (180, 111018), (216, 92515), (270, 74012), (360, 55509), (540, 37006), (1080, 18503)]