19947240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{827}}^1$

素因数の和:911

約数の個数: 96

約数和(自身を含む): 65875680

約数和(自身を除く): 45928440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 67, 72, 90, 120, 134, 180, 201, 268, 335, 360, 402, 536, 603, 670, 804, 827, 1005, 1206, 1340, 1608, 1654, 2010, 2412, 2481, 2680, 3015, 3308, 4020, 4135, 4824, 4962, 6030, 6616, 7443, 8040, 8270, 9924, 12060, 12405, 14886, 16540, 19848, 24120, 24810, 29772, 33080, 37215, 49620, 55409, 59544, 74430, 99240, 110818, 148860, 166227, 221636, 277045, 297720, 332454, 443272, 498681, 554090, 664908, 831135, 997362, 1108180, 1329816, 1662270, 1994724, 2216360, 2493405, 3324540, 3989448, 4986810, 6649080, 9973620, 19947240]

約数ペア:

[(1, 19947240), (2, 9973620), (3, 6649080), (4, 4986810), (5, 3989448), (6, 3324540), (8, 2493405), (9, 2216360), (10, 1994724), (12, 1662270), (15, 1329816), (18, 1108180), (20, 997362), (24, 831135), (30, 664908), (36, 554090), (40, 498681), (45, 443272), (60, 332454), (67, 297720), (72, 277045), (90, 221636), (120, 166227), (134, 148860), (180, 110818), (201, 99240), (268, 74430), (335, 59544), (360, 55409), (402, 49620), (536, 37215), (603, 33080), (670, 29772), (804, 24810), (827, 24120), (1005, 19848), (1206, 16540), (1340, 14886), (1608, 12405), (1654, 12060), (2010, 9924), (2412, 8270), (2481, 8040), (2680, 7443), (3015, 6616), (3308, 6030), (4020, 4962), (4135, 4824)]