19589888

素因数分解:

$2^8\times {\mathrm{59}}^1\times {\mathrm{1297}}^1$

素因数の和:1372

約数の個数: 36

約数和(自身を含む): 39796680

約数和(自身を除く): 20206792

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 256, 472, 944, 1297, 1888, 2594, 3776, 5188, 7552, 10376, 15104, 20752, 41504, 76523, 83008, 153046, 166016, 306092, 332032, 612184, 1224368, 2448736, 4897472, 9794944, 19589888]

約数ペア:

[(1, 19589888), (2, 9794944), (4, 4897472), (8, 2448736), (16, 1224368), (32, 612184), (59, 332032), (64, 306092), (118, 166016), (128, 153046), (236, 83008), (256, 76523), (472, 41504), (944, 20752), (1297, 15104), (1888, 10376), (2594, 7552), (3776, 5188)]