18276860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6871}}^1$

素因数の和:6906

約数の個数: 48

約数和(自身を含む): 46179840

約数和(自身を除く): 27902980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6871, 13742, 27484, 34355, 48097, 68710, 96194, 130549, 137420, 192388, 240485, 261098, 480970, 522196, 652745, 913843, 961940, 1305490, 1827686, 2610980, 3655372, 4569215, 9138430, 18276860]

約数ペア:

[(1, 18276860), (2, 9138430), (4, 4569215), (5, 3655372), (7, 2610980), (10, 1827686), (14, 1305490), (19, 961940), (20, 913843), (28, 652745), (35, 522196), (38, 480970), (70, 261098), (76, 240485), (95, 192388), (133, 137420), (140, 130549), (190, 96194), (266, 68710), (380, 48097), (532, 34355), (665, 27484), (1330, 13742), (2660, 6871)]