18981180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6203}}^1$

素因数の和:6235

約数の個数: 72

約数和(自身を含む): 60972912

約数和(自身を除く): 41991732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6203, 12406, 18609, 24812, 31015, 37218, 55827, 62030, 74436, 93045, 105451, 111654, 124060, 186090, 210902, 223308, 279135, 316353, 372180, 421804, 527255, 558270, 632706, 949059, 1054510, 1116540, 1265412, 1581765, 1898118, 2109020, 3163530, 3796236, 4745295, 6327060, 9490590, 18981180]

約数ペア:

[(1, 18981180), (2, 9490590), (3, 6327060), (4, 4745295), (5, 3796236), (6, 3163530), (9, 2109020), (10, 1898118), (12, 1581765), (15, 1265412), (17, 1116540), (18, 1054510), (20, 949059), (30, 632706), (34, 558270), (36, 527255), (45, 421804), (51, 372180), (60, 316353), (68, 279135), (85, 223308), (90, 210902), (102, 186090), (153, 124060), (170, 111654), (180, 105451), (204, 93045), (255, 74436), (306, 62030), (340, 55827), (510, 37218), (612, 31015), (765, 24812), (1020, 18609), (1530, 12406), (3060, 6203)]