1906190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 64

約数和(自身を含む): 4257792

約数和(自身を除く): 2351602

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 43, 55, 62, 65, 86, 110, 130, 143, 155, 215, 286, 310, 341, 403, 430, 473, 559, 682, 715, 806, 946, 1118, 1333, 1430, 1705, 2015, 2365, 2666, 2795, 3410, 4030, 4433, 4730, 5590, 6149, 6665, 8866, 12298, 13330, 14663, 17329, 22165, 29326, 30745, 34658, 44330, 61490, 73315, 86645, 146630, 173290, 190619, 381238, 953095, 1906190]

約数ペア:

[(1, 1906190), (2, 953095), (5, 381238), (10, 190619), (11, 173290), (13, 146630), (22, 86645), (26, 73315), (31, 61490), (43, 44330), (55, 34658), (62, 30745), (65, 29326), (86, 22165), (110, 17329), (130, 14663), (143, 13330), (155, 12298), (215, 8866), (286, 6665), (310, 6149), (341, 5590), (403, 4730), (430, 4433), (473, 4030), (559, 3410), (682, 2795), (715, 2666), (806, 2365), (946, 2015), (1118, 1705), (1333, 1430)]