19488560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2677}}^1$

素因数の和:2710

約数の個数: 80

約数和(自身を含む): 55788096

約数和(自身を除く): 36299536

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 2677, 3640, 5354, 7280, 10708, 13385, 18739, 21416, 26770, 34801, 37478, 42832, 53540, 69602, 74956, 93695, 107080, 139204, 149912, 174005, 187390, 214160, 243607, 278408, 299824, 348010, 374780, 487214, 556816, 696020, 749560, 974428, 1218035, 1392040, 1499120, 1948856, 2436070, 2784080, 3897712, 4872140, 9744280, 19488560]

約数ペア:

[(1, 19488560), (2, 9744280), (4, 4872140), (5, 3897712), (7, 2784080), (8, 2436070), (10, 1948856), (13, 1499120), (14, 1392040), (16, 1218035), (20, 974428), (26, 749560), (28, 696020), (35, 556816), (40, 487214), (52, 374780), (56, 348010), (65, 299824), (70, 278408), (80, 243607), (91, 214160), (104, 187390), (112, 174005), (130, 149912), (140, 139204), (182, 107080), (208, 93695), (260, 74956), (280, 69602), (364, 53540), (455, 42832), (520, 37478), (560, 34801), (728, 26770), (910, 21416), (1040, 18739), (1456, 13385), (1820, 10708), (2677, 7280), (3640, 5354)]