19005420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1223}}^1$

素因数の和:1279

約数の個数: 96

約数和(自身を含む): 62512128

約数和(自身を除く): 43506708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 185, 210, 222, 259, 370, 420, 444, 518, 555, 740, 777, 1036, 1110, 1223, 1295, 1554, 2220, 2446, 2590, 3108, 3669, 3885, 4892, 5180, 6115, 7338, 7770, 8561, 12230, 14676, 15540, 17122, 18345, 24460, 25683, 34244, 36690, 42805, 45251, 51366, 73380, 85610, 90502, 102732, 128415, 135753, 171220, 181004, 226255, 256830, 271506, 316757, 452510, 513660, 543012, 633514, 678765, 905020, 950271, 1267028, 1357530, 1583785, 1900542, 2715060, 3167570, 3801084, 4751355, 6335140, 9502710, 19005420]

約数ペア:

[(1, 19005420), (2, 9502710), (3, 6335140), (4, 4751355), (5, 3801084), (6, 3167570), (7, 2715060), (10, 1900542), (12, 1583785), (14, 1357530), (15, 1267028), (20, 950271), (21, 905020), (28, 678765), (30, 633514), (35, 543012), (37, 513660), (42, 452510), (60, 316757), (70, 271506), (74, 256830), (84, 226255), (105, 181004), (111, 171220), (140, 135753), (148, 128415), (185, 102732), (210, 90502), (222, 85610), (259, 73380), (370, 51366), (420, 45251), (444, 42805), (518, 36690), (555, 34244), (740, 25683), (777, 24460), (1036, 18345), (1110, 17122), (1223, 15540), (1295, 14676), (1554, 12230), (2220, 8561), (2446, 7770), (2590, 7338), (3108, 6115), (3669, 5180), (3885, 4892)]