19621620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1627}}^1$

素因数の和:1709

約数の個数: 72

約数和(自身を含む): 60444384

約数和(自身を除く): 40822764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 1627, 2010, 2412, 3015, 3254, 4020, 4881, 6030, 6508, 8135, 9762, 12060, 14643, 16270, 19524, 24405, 29286, 32540, 48810, 58572, 73215, 97620, 109009, 146430, 218018, 292860, 327027, 436036, 545045, 654054, 981081, 1090090, 1308108, 1635135, 1962162, 2180180, 3270270, 3924324, 4905405, 6540540, 9810810, 19621620]

約数ペア:

[(1, 19621620), (2, 9810810), (3, 6540540), (4, 4905405), (5, 3924324), (6, 3270270), (9, 2180180), (10, 1962162), (12, 1635135), (15, 1308108), (18, 1090090), (20, 981081), (30, 654054), (36, 545045), (45, 436036), (60, 327027), (67, 292860), (90, 218018), (134, 146430), (180, 109009), (201, 97620), (268, 73215), (335, 58572), (402, 48810), (603, 32540), (670, 29286), (804, 24405), (1005, 19524), (1206, 16270), (1340, 14643), (1627, 12060), (2010, 9762), (2412, 8135), (3015, 6508), (3254, 6030), (4020, 4881)]