18833220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14947}}^1$

素因数の和:14969

約数の個数: 72

約数和(自身を含む): 65292864

約数和(自身を除く): 46459644

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, 14947, 29894, 44841, 59788, 74735, 89682, 104629, 134523, 149470, 179364, 209258, 224205, 269046, 298940, 313887, 418516, 448410, 523145, 538092, 627774, 672615, 896820, 941661, 1046290, 1255548, 1345230, 1569435, 1883322, 2092580, 2690460, 3138870, 3766644, 4708305, 6277740, 9416610, 18833220]

約数ペア:

[(1, 18833220), (2, 9416610), (3, 6277740), (4, 4708305), (5, 3766644), (6, 3138870), (7, 2690460), (9, 2092580), (10, 1883322), (12, 1569435), (14, 1345230), (15, 1255548), (18, 1046290), (20, 941661), (21, 896820), (28, 672615), (30, 627774), (35, 538092), (36, 523145), (42, 448410), (45, 418516), (60, 313887), (63, 298940), (70, 269046), (84, 224205), (90, 209258), (105, 179364), (126, 149470), (140, 134523), (180, 104629), (210, 89682), (252, 74735), (315, 59788), (420, 44841), (630, 29894), (1260, 14947)]