19470708

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 51105600

約数和(自身を除く): 31634892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 89, 103, 118, 177, 178, 206, 236, 267, 309, 354, 356, 412, 531, 534, 618, 708, 801, 927, 1062, 1068, 1236, 1602, 1854, 2124, 3204, 3708, 5251, 6077, 9167, 10502, 12154, 15753, 18231, 18334, 21004, 24308, 27501, 31506, 36462, 36668, 47259, 54693, 55002, 63012, 72924, 82503, 94518, 109386, 110004, 165006, 189036, 218772, 330012, 540853, 1081706, 1622559, 2163412, 3245118, 4867677, 6490236, 9735354, 19470708]

約数ペア:

[(1, 19470708), (2, 9735354), (3, 6490236), (4, 4867677), (6, 3245118), (9, 2163412), (12, 1622559), (18, 1081706), (36, 540853), (59, 330012), (89, 218772), (103, 189036), (118, 165006), (177, 110004), (178, 109386), (206, 94518), (236, 82503), (267, 72924), (309, 63012), (354, 55002), (356, 54693), (412, 47259), (531, 36668), (534, 36462), (618, 31506), (708, 27501), (801, 24308), (927, 21004), (1062, 18334), (1068, 18231), (1236, 15753), (1602, 12154), (1854, 10502), (2124, 9167), (3204, 6077), (3708, 5251)]