19394980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3833}}^1$

素因数の和:3876

約数の個数: 48

約数和(自身を含む): 46376064

約数和(自身を除く): 26981084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 3833, 5060, 7666, 15332, 19165, 38330, 42163, 76660, 84326, 88159, 168652, 176318, 210815, 352636, 421630, 440795, 843260, 881590, 969749, 1763180, 1939498, 3878996, 4848745, 9697490, 19394980]

約数ペア:

[(1, 19394980), (2, 9697490), (4, 4848745), (5, 3878996), (10, 1939498), (11, 1763180), (20, 969749), (22, 881590), (23, 843260), (44, 440795), (46, 421630), (55, 352636), (92, 210815), (110, 176318), (115, 168652), (220, 88159), (230, 84326), (253, 76660), (460, 42163), (506, 38330), (1012, 19165), (1265, 15332), (2530, 7666), (3833, 5060)]