19764540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2153}}^1$

素因数の和:2188

約数の個数: 96

約数和(自身を含む): 65136960

約数和(自身を除く): 45372420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2153, 2295, 3060, 4306, 4590, 6459, 8612, 9180, 10765, 12918, 19377, 21530, 25836, 32295, 36601, 38754, 43060, 58131, 64590, 73202, 77508, 96885, 109803, 116262, 129180, 146404, 183005, 193770, 219606, 232524, 290655, 329409, 366010, 387540, 439212, 549015, 581310, 658818, 732020, 988227, 1098030, 1162620, 1317636, 1647045, 1976454, 2196060, 3294090, 3952908, 4941135, 6588180, 9882270, 19764540]

約数ペア:

[(1, 19764540), (2, 9882270), (3, 6588180), (4, 4941135), (5, 3952908), (6, 3294090), (9, 2196060), (10, 1976454), (12, 1647045), (15, 1317636), (17, 1162620), (18, 1098030), (20, 988227), (27, 732020), (30, 658818), (34, 581310), (36, 549015), (45, 439212), (51, 387540), (54, 366010), (60, 329409), (68, 290655), (85, 232524), (90, 219606), (102, 193770), (108, 183005), (135, 146404), (153, 129180), (170, 116262), (180, 109803), (204, 96885), (255, 77508), (270, 73202), (306, 64590), (340, 58131), (459, 43060), (510, 38754), (540, 36601), (612, 32295), (765, 25836), (918, 21530), (1020, 19377), (1530, 12918), (1836, 10765), (2153, 9180), (2295, 8612), (3060, 6459), (4306, 4590)]