16815258

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 37679616

約数和(自身を除く): 20864358

約数列:

[1, 2, 3, 6, 9, 18, 67, 73, 134, 146, 191, 201, 219, 382, 402, 438, 573, 603, 657, 1146, 1206, 1314, 1719, 3438, 4891, 9782, 12797, 13943, 14673, 25594, 27886, 29346, 38391, 41829, 44019, 76782, 83658, 88038, 115173, 125487, 230346, 250974, 934181, 1868362, 2802543, 5605086, 8407629, 16815258]

約数ペア:

[(1, 16815258), (2, 8407629), (3, 5605086), (6, 2802543), (9, 1868362), (18, 934181), (67, 250974), (73, 230346), (134, 125487), (146, 115173), (191, 88038), (201, 83658), (219, 76782), (382, 44019), (402, 41829), (438, 38391), (573, 29346), (603, 27886), (657, 25594), (1146, 14673), (1206, 13943), (1314, 12797), (1719, 9782), (3438, 4891)]