19881112

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{577}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 38494800

約数和(自身を除く): 18613688

約数列:

[1, 2, 4, 8, 59, 73, 118, 146, 236, 292, 472, 577, 584, 1154, 2308, 4307, 4616, 8614, 17228, 34043, 34456, 42121, 68086, 84242, 136172, 168484, 272344, 336968, 2485139, 4970278, 9940556, 19881112]

約数ペア:

[(1, 19881112), (2, 9940556), (4, 4970278), (8, 2485139), (59, 336968), (73, 272344), (118, 168484), (146, 136172), (236, 84242), (292, 68086), (472, 42121), (577, 34456), (584, 34043), (1154, 17228), (2308, 8614), (4307, 4616)]