16889940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{911}}^1$

素因数の和:1029

約数の個数: 72

約数和(自身を含む): 51787008

約数和(自身を除く): 34897068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 911, 927, 1030, 1236, 1545, 1822, 1854, 2060, 2733, 3090, 3644, 3708, 4555, 4635, 5466, 6180, 8199, 9110, 9270, 10932, 13665, 16398, 18220, 18540, 27330, 32796, 40995, 54660, 81990, 93833, 163980, 187666, 281499, 375332, 469165, 562998, 844497, 938330, 1125996, 1407495, 1688994, 1876660, 2814990, 3377988, 4222485, 5629980, 8444970, 16889940]

約数ペア:

[(1, 16889940), (2, 8444970), (3, 5629980), (4, 4222485), (5, 3377988), (6, 2814990), (9, 1876660), (10, 1688994), (12, 1407495), (15, 1125996), (18, 938330), (20, 844497), (30, 562998), (36, 469165), (45, 375332), (60, 281499), (90, 187666), (103, 163980), (180, 93833), (206, 81990), (309, 54660), (412, 40995), (515, 32796), (618, 27330), (911, 18540), (927, 18220), (1030, 16398), (1236, 13665), (1545, 10932), (1822, 9270), (1854, 9110), (2060, 8199), (2733, 6180), (3090, 5466), (3644, 4635), (3708, 4555)]