18681930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{827}}^1$

素因数の和:1091

約数の個数: 48

約数和(自身を含む): 48825504

約数和(自身を除く): 30143574

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 251, 502, 753, 827, 1255, 1506, 1654, 2259, 2481, 2510, 3765, 4135, 4518, 4962, 7443, 7530, 8270, 11295, 12405, 14886, 22590, 24810, 37215, 74430, 207577, 415154, 622731, 1037885, 1245462, 1868193, 2075770, 3113655, 3736386, 6227310, 9340965, 18681930]

約数ペア:

[(1, 18681930), (2, 9340965), (3, 6227310), (5, 3736386), (6, 3113655), (9, 2075770), (10, 1868193), (15, 1245462), (18, 1037885), (30, 622731), (45, 415154), (90, 207577), (251, 74430), (502, 37215), (753, 24810), (827, 22590), (1255, 14886), (1506, 12405), (1654, 11295), (2259, 8270), (2481, 7530), (2510, 7443), (3765, 4962), (4135, 4518)]