19794276

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 53973920

約数和(自身を除く): 34179644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 43, 57, 76, 86, 114, 129, 171, 172, 228, 258, 342, 387, 516, 673, 684, 774, 817, 1346, 1548, 1634, 2019, 2451, 2692, 3268, 4038, 4902, 6057, 7353, 8076, 9804, 12114, 12787, 14706, 24228, 25574, 28939, 29412, 38361, 51148, 57878, 76722, 86817, 115083, 115756, 153444, 173634, 230166, 260451, 347268, 460332, 520902, 549841, 1041804, 1099682, 1649523, 2199364, 3299046, 4948569, 6598092, 9897138, 19794276]

約数ペア:

[(1, 19794276), (2, 9897138), (3, 6598092), (4, 4948569), (6, 3299046), (9, 2199364), (12, 1649523), (18, 1099682), (19, 1041804), (36, 549841), (38, 520902), (43, 460332), (57, 347268), (76, 260451), (86, 230166), (114, 173634), (129, 153444), (171, 115756), (172, 115083), (228, 86817), (258, 76722), (342, 57878), (387, 51148), (516, 38361), (673, 29412), (684, 28939), (774, 25574), (817, 24228), (1346, 14706), (1548, 12787), (1634, 12114), (2019, 9804), (2451, 8076), (2692, 7353), (3268, 6057), (4038, 4902)]