19843432

素因数分解:

$2^3\times 7^2\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 43666560

約数和(自身を除く): 23823128

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 223, 227, 392, 446, 454, 892, 908, 1561, 1589, 1784, 1816, 3122, 3178, 6244, 6356, 10927, 11123, 12488, 12712, 21854, 22246, 43708, 44492, 50621, 87416, 88984, 101242, 202484, 354347, 404968, 708694, 1417388, 2480429, 2834776, 4960858, 9921716, 19843432]

約数ペア:

[(1, 19843432), (2, 9921716), (4, 4960858), (7, 2834776), (8, 2480429), (14, 1417388), (28, 708694), (49, 404968), (56, 354347), (98, 202484), (196, 101242), (223, 88984), (227, 87416), (392, 50621), (446, 44492), (454, 43708), (892, 22246), (908, 21854), (1561, 12712), (1589, 12488), (1784, 11123), (1816, 10927), (3122, 6356), (3178, 6244)]