19900996834

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2393}}^1\times {\mathrm{2459}}^1$

素因数の和:4962

約数の個数: 32

約数和(自身を含む): 31801896000

約数和(自身を除く): 11900899166

約数列:

[1, 2, 19, 38, 89, 178, 1691, 2393, 2459, 3382, 4786, 4918, 45467, 46721, 90934, 93442, 212977, 218851, 425954, 437702, 4046563, 4158169, 5884387, 8093126, 8316338, 11768774, 111803353, 223606706, 523710443, 1047420886, 9950498417, 19900996834]

約数ペア:

[(1, 19900996834), (2, 9950498417), (19, 1047420886), (38, 523710443), (89, 223606706), (178, 111803353), (1691, 11768774), (2393, 8316338), (2459, 8093126), (3382, 5884387), (4786, 4158169), (4918, 4046563), (45467, 437702), (46721, 425954), (90934, 218851), (93442, 212977)]