18898236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3947}}^1$

素因数の和:3983

約数の個数: 72

約数和(自身を含む): 57482880

約数和(自身を除く): 38584644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 3947, 4788, 7894, 11841, 15788, 23682, 27629, 35523, 47364, 55258, 71046, 74993, 82887, 110516, 142092, 149986, 165774, 224979, 248661, 299972, 331548, 449958, 497322, 524951, 674937, 899916, 994644, 1049902, 1349874, 1574853, 2099804, 2699748, 3149706, 4724559, 6299412, 9449118, 18898236]

約数ペア:

[(1, 18898236), (2, 9449118), (3, 6299412), (4, 4724559), (6, 3149706), (7, 2699748), (9, 2099804), (12, 1574853), (14, 1349874), (18, 1049902), (19, 994644), (21, 899916), (28, 674937), (36, 524951), (38, 497322), (42, 449958), (57, 331548), (63, 299972), (76, 248661), (84, 224979), (114, 165774), (126, 149986), (133, 142092), (171, 110516), (228, 82887), (252, 74993), (266, 71046), (342, 55258), (399, 47364), (532, 35523), (684, 27629), (798, 23682), (1197, 15788), (1596, 11841), (2394, 7894), (3947, 4788)]