18970770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6949}}^1$

素因数の和:6979

約数の個数: 64

約数和(自身を含む): 56044800

約数和(自身を除く): 37074030

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 6949, 13898, 20847, 34745, 41694, 48643, 69490, 90337, 97286, 104235, 145929, 180674, 208470, 243215, 271011, 291858, 451685, 486430, 542022, 632359, 729645, 903370, 1264718, 1355055, 1459290, 1897077, 2710110, 3161795, 3794154, 6323590, 9485385, 18970770]

約数ペア:

[(1, 18970770), (2, 9485385), (3, 6323590), (5, 3794154), (6, 3161795), (7, 2710110), (10, 1897077), (13, 1459290), (14, 1355055), (15, 1264718), (21, 903370), (26, 729645), (30, 632359), (35, 542022), (39, 486430), (42, 451685), (65, 291858), (70, 271011), (78, 243215), (91, 208470), (105, 180674), (130, 145929), (182, 104235), (195, 97286), (210, 90337), (273, 69490), (390, 48643), (455, 41694), (546, 34745), (910, 20847), (1365, 13898), (2730, 6949)]