18983406

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1223}}^1$

素因数の和:1440

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 22142994

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 199, 398, 597, 1194, 1223, 2446, 2587, 3669, 5174, 7338, 7761, 15522, 15899, 31798, 47697, 95394, 243377, 486754, 730131, 1460262, 3163901, 6327802, 9491703, 18983406]

約数ペア:

[(1, 18983406), (2, 9491703), (3, 6327802), (6, 3163901), (13, 1460262), (26, 730131), (39, 486754), (78, 243377), (199, 95394), (398, 47697), (597, 31798), (1194, 15899), (1223, 15522), (2446, 7761), (2587, 7338), (3669, 5174)]