19581970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4481}}^1$

素因数の和:4530

約数の個数: 32

約数和(自身を含む): 38724480

約数和(自身を除く): 19142510

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 4481, 8962, 22405, 44810, 85139, 103063, 170278, 206126, 425695, 515315, 851390, 1030630, 1958197, 3916394, 9790985, 19581970]

約数ペア:

[(1, 19581970), (2, 9790985), (5, 3916394), (10, 1958197), (19, 1030630), (23, 851390), (38, 515315), (46, 425695), (95, 206126), (115, 170278), (190, 103063), (230, 85139), (437, 44810), (874, 22405), (2185, 8962), (4370, 4481)]