19958439808

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{18049}}^1$

素因数の和:18279

約数の個数: 64

約数和(自身を含む): 40761954000

約数和(自身を除く): 20803514192

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 163, 212, 326, 424, 652, 848, 1304, 1696, 2608, 3392, 5216, 6784, 8639, 10432, 17278, 18049, 20864, 34556, 36098, 69112, 72196, 138224, 144392, 276448, 288784, 552896, 577568, 956597, 1105792, 1155136, 1913194, 2310272, 2941987, 3826388, 5883974, 7652776, 11767948, 15305552, 23535896, 30611104, 47071792, 61222208, 94143584, 122444416, 155925311, 188287168, 311850622, 376574336, 623701244, 1247402488, 2494804976, 4989609952, 9979219904, 19958439808]

約数ペア:

[(1, 19958439808), (2, 9979219904), (4, 4989609952), (8, 2494804976), (16, 1247402488), (32, 623701244), (53, 376574336), (64, 311850622), (106, 188287168), (128, 155925311), (163, 122444416), (212, 94143584), (326, 61222208), (424, 47071792), (652, 30611104), (848, 23535896), (1304, 15305552), (1696, 11767948), (2608, 7652776), (3392, 5883974), (5216, 3826388), (6784, 2941987), (8639, 2310272), (10432, 1913194), (17278, 1155136), (18049, 1105792), (20864, 956597), (34556, 577568), (36098, 552896), (69112, 288784), (72196, 276448), (138224, 144392)]