18444420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2383}}^1$

素因数の和:2441

約数の個数: 72

約数和(自身を含む): 57273216

約数和(自身を除く): 38828796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2383, 2580, 3870, 4766, 7149, 7740, 9532, 11915, 14298, 21447, 23830, 28596, 35745, 42894, 47660, 71490, 85788, 102469, 107235, 142980, 204938, 214470, 307407, 409876, 428940, 512345, 614814, 922221, 1024690, 1229628, 1537035, 1844442, 2049380, 3074070, 3688884, 4611105, 6148140, 9222210, 18444420]

約数ペア:

[(1, 18444420), (2, 9222210), (3, 6148140), (4, 4611105), (5, 3688884), (6, 3074070), (9, 2049380), (10, 1844442), (12, 1537035), (15, 1229628), (18, 1024690), (20, 922221), (30, 614814), (36, 512345), (43, 428940), (45, 409876), (60, 307407), (86, 214470), (90, 204938), (129, 142980), (172, 107235), (180, 102469), (215, 85788), (258, 71490), (387, 47660), (430, 42894), (516, 35745), (645, 28596), (774, 23830), (860, 21447), (1290, 14298), (1548, 11915), (1935, 9532), (2383, 7740), (2580, 7149), (3870, 4766)]