19481888

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 21160672

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 82, 124, 164, 248, 328, 479, 496, 656, 958, 992, 1271, 1312, 1916, 2542, 3832, 5084, 7664, 10168, 14849, 15328, 19639, 20336, 29698, 39278, 40672, 59396, 78556, 118792, 157112, 237584, 314224, 475168, 608809, 628448, 1217618, 2435236, 4870472, 9740944, 19481888]

約数ペア:

[(1, 19481888), (2, 9740944), (4, 4870472), (8, 2435236), (16, 1217618), (31, 628448), (32, 608809), (41, 475168), (62, 314224), (82, 237584), (124, 157112), (164, 118792), (248, 78556), (328, 59396), (479, 40672), (496, 39278), (656, 29698), (958, 20336), (992, 19639), (1271, 15328), (1312, 14849), (1916, 10168), (2542, 7664), (3832, 5084)]