18897480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{7499}}^1$

素因数の和:7523

約数の個数: 96

約数和(自身を含む): 70200000

約数和(自身を除く): 51302520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 7499, 14998, 22497, 29996, 37495, 44994, 52493, 59992, 67491, 74990, 89988, 104986, 112485, 134982, 149980, 157479, 179976, 209972, 224970, 262465, 269964, 299960, 314958, 337455, 419944, 449940, 472437, 524930, 539928, 629916, 674910, 787395, 899880, 944874, 1049860, 1259832, 1349820, 1574790, 1889748, 2099720, 2362185, 2699640, 3149580, 3779496, 4724370, 6299160, 9448740, 18897480]

約数ペア:

[(1, 18897480), (2, 9448740), (3, 6299160), (4, 4724370), (5, 3779496), (6, 3149580), (7, 2699640), (8, 2362185), (9, 2099720), (10, 1889748), (12, 1574790), (14, 1349820), (15, 1259832), (18, 1049860), (20, 944874), (21, 899880), (24, 787395), (28, 674910), (30, 629916), (35, 539928), (36, 524930), (40, 472437), (42, 449940), (45, 419944), (56, 337455), (60, 314958), (63, 299960), (70, 269964), (72, 262465), (84, 224970), (90, 209972), (105, 179976), (120, 157479), (126, 149980), (140, 134982), (168, 112485), (180, 104986), (210, 89988), (252, 74990), (280, 67491), (315, 59992), (360, 52493), (420, 44994), (504, 37495), (630, 29996), (840, 22497), (1260, 14998), (2520, 7499)]