19802970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 57081024

約数和(自身を除く): 37278054

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 83, 90, 99, 110, 165, 166, 198, 241, 249, 330, 415, 482, 495, 498, 723, 747, 830, 913, 990, 1205, 1245, 1446, 1494, 1826, 2169, 2410, 2490, 2651, 2739, 3615, 3735, 4338, 4565, 5302, 5478, 7230, 7470, 7953, 8217, 9130, 10845, 13255, 13695, 15906, 16434, 20003, 21690, 23859, 26510, 27390, 39765, 40006, 41085, 47718, 60009, 79530, 82170, 100015, 119295, 120018, 180027, 200030, 220033, 238590, 300045, 360054, 440066, 600090, 660099, 900135, 1100165, 1320198, 1800270, 1980297, 2200330, 3300495, 3960594, 6600990, 9901485, 19802970]

約数ペア:

[(1, 19802970), (2, 9901485), (3, 6600990), (5, 3960594), (6, 3300495), (9, 2200330), (10, 1980297), (11, 1800270), (15, 1320198), (18, 1100165), (22, 900135), (30, 660099), (33, 600090), (45, 440066), (55, 360054), (66, 300045), (83, 238590), (90, 220033), (99, 200030), (110, 180027), (165, 120018), (166, 119295), (198, 100015), (241, 82170), (249, 79530), (330, 60009), (415, 47718), (482, 41085), (495, 40006), (498, 39765), (723, 27390), (747, 26510), (830, 23859), (913, 21690), (990, 20003), (1205, 16434), (1245, 15906), (1446, 13695), (1494, 13255), (1826, 10845), (2169, 9130), (2410, 8217), (2490, 7953), (2651, 7470), (2739, 7230), (3615, 5478), (3735, 5302), (4338, 4565)]