18963828

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{1039}}^1$

素因数の和:1078

約数の個数: 72

約数和(自身を含む): 53289600

約数和(自身を除く): 34325772

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 169, 234, 338, 351, 468, 507, 676, 702, 1014, 1039, 1404, 1521, 2028, 2078, 3042, 3117, 4156, 4563, 6084, 6234, 9126, 9351, 12468, 13507, 18252, 18702, 27014, 28053, 37404, 40521, 54028, 56106, 81042, 112212, 121563, 162084, 175591, 243126, 351182, 364689, 486252, 526773, 702364, 729378, 1053546, 1458756, 1580319, 2107092, 3160638, 4740957, 6321276, 9481914, 18963828]

約数ペア:

[(1, 18963828), (2, 9481914), (3, 6321276), (4, 4740957), (6, 3160638), (9, 2107092), (12, 1580319), (13, 1458756), (18, 1053546), (26, 729378), (27, 702364), (36, 526773), (39, 486252), (52, 364689), (54, 351182), (78, 243126), (108, 175591), (117, 162084), (156, 121563), (169, 112212), (234, 81042), (338, 56106), (351, 54028), (468, 40521), (507, 37404), (676, 28053), (702, 27014), (1014, 18702), (1039, 18252), (1404, 13507), (1521, 12468), (2028, 9351), (2078, 9126), (3042, 6234), (3117, 6084), (4156, 4563)]