18172980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14423}}^1$

素因数の和:14445

約数の個数: 72

約数和(自身を含む): 63004032

約数和(自身を除く): 44831052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 14423, 28846, 43269, 57692, 72115, 86538, 100961, 129807, 144230, 173076, 201922, 216345, 259614, 288460, 302883, 403844, 432690, 504805, 519228, 605766, 649035, 865380, 908649, 1009610, 1211532, 1298070, 1514415, 1817298, 2019220, 2596140, 3028830, 3634596, 4543245, 6057660, 9086490, 18172980]

約数ペア:

[(1, 18172980), (2, 9086490), (3, 6057660), (4, 4543245), (5, 3634596), (6, 3028830), (7, 2596140), (9, 2019220), (10, 1817298), (12, 1514415), (14, 1298070), (15, 1211532), (18, 1009610), (20, 908649), (21, 865380), (28, 649035), (30, 605766), (35, 519228), (36, 504805), (42, 432690), (45, 403844), (60, 302883), (63, 288460), (70, 259614), (84, 216345), (90, 201922), (105, 173076), (126, 144230), (140, 129807), (180, 100961), (210, 86538), (252, 72115), (315, 57692), (420, 43269), (630, 28846), (1260, 14423)]