19875968

素因数分解:

$2^7\times 7^2\times {\mathrm{3169}}^1$

素因数の和:3197

約数の個数: 48

約数和(自身を含む): 46075950

約数和(自身を除く): 26199982

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 3169, 6272, 6338, 12676, 22183, 25352, 44366, 50704, 88732, 101408, 155281, 177464, 202816, 310562, 354928, 405632, 621124, 709856, 1242248, 1419712, 2484496, 2839424, 4968992, 9937984, 19875968]

約数ペア:

[(1, 19875968), (2, 9937984), (4, 4968992), (7, 2839424), (8, 2484496), (14, 1419712), (16, 1242248), (28, 709856), (32, 621124), (49, 405632), (56, 354928), (64, 310562), (98, 202816), (112, 177464), (128, 155281), (196, 101408), (224, 88732), (392, 50704), (448, 44366), (784, 25352), (896, 22183), (1568, 12676), (3136, 6338), (3169, 6272)]