17971758

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7507}}^1$

素因数の和:7541

約数の個数: 48

約数和(自身を含む): 46849920

約数和(自身を除く): 28878162

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 7507, 15014, 22521, 45042, 52549, 67563, 105098, 135126, 142633, 157647, 285266, 315294, 427899, 472941, 855798, 945882, 998431, 1283697, 1996862, 2567394, 2995293, 5990586, 8985879, 17971758]

約数ペア:

[(1, 17971758), (2, 8985879), (3, 5990586), (6, 2995293), (7, 2567394), (9, 1996862), (14, 1283697), (18, 998431), (19, 945882), (21, 855798), (38, 472941), (42, 427899), (57, 315294), (63, 285266), (114, 157647), (126, 142633), (133, 135126), (171, 105098), (266, 67563), (342, 52549), (399, 45042), (798, 22521), (1197, 15014), (2394, 7507)]