18616864

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:438

約数の個数: 72

約数和(自身を含む): 44126208

約数和(自身を除く): 25509344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 98, 112, 124, 196, 217, 224, 248, 383, 392, 434, 496, 766, 784, 868, 992, 1519, 1532, 1568, 1736, 2681, 3038, 3064, 3472, 5362, 6076, 6128, 6944, 10724, 11873, 12152, 12256, 18767, 21448, 23746, 24304, 37534, 42896, 47492, 48608, 75068, 83111, 85792, 94984, 150136, 166222, 189968, 300272, 332444, 379936, 581777, 600544, 664888, 1163554, 1329776, 2327108, 2659552, 4654216, 9308432, 18616864]

約数ペア:

[(1, 18616864), (2, 9308432), (4, 4654216), (7, 2659552), (8, 2327108), (14, 1329776), (16, 1163554), (28, 664888), (31, 600544), (32, 581777), (49, 379936), (56, 332444), (62, 300272), (98, 189968), (112, 166222), (124, 150136), (196, 94984), (217, 85792), (224, 83111), (248, 75068), (383, 48608), (392, 47492), (434, 42896), (496, 37534), (766, 24304), (784, 23746), (868, 21448), (992, 18767), (1519, 12256), (1532, 12152), (1568, 11873), (1736, 10724), (2681, 6944), (3038, 6128), (3064, 6076), (3472, 5362)]