19780368

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1$

素因数の和:117

約数の個数: 120

約数和(自身を含む): 57600480

約数和(自身を除く): 37820112

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 38, 41, 46, 48, 57, 69, 76, 82, 92, 114, 123, 138, 152, 164, 184, 228, 246, 276, 304, 328, 368, 437, 456, 492, 529, 552, 656, 779, 874, 912, 943, 984, 1058, 1104, 1311, 1558, 1587, 1748, 1886, 1968, 2116, 2337, 2622, 2829, 3116, 3174, 3496, 3772, 4232, 4674, 5244, 5658, 6232, 6348, 6992, 7544, 8464, 9348, 10051, 10488, 11316, 12464, 12696, 15088, 17917, 18696, 20102, 20976, 21689, 22632, 25392, 30153, 35834, 37392, 40204, 43378, 45264, 53751, 60306, 65067, 71668, 80408, 86756, 107502, 120612, 130134, 143336, 160816, 173512, 215004, 241224, 260268, 286672, 347024, 412091, 430008, 482448, 520536, 824182, 860016, 1041072, 1236273, 1648364, 2472546, 3296728, 4945092, 6593456, 9890184, 19780368]

約数ペア:

[(1, 19780368), (2, 9890184), (3, 6593456), (4, 4945092), (6, 3296728), (8, 2472546), (12, 1648364), (16, 1236273), (19, 1041072), (23, 860016), (24, 824182), (38, 520536), (41, 482448), (46, 430008), (48, 412091), (57, 347024), (69, 286672), (76, 260268), (82, 241224), (92, 215004), (114, 173512), (123, 160816), (138, 143336), (152, 130134), (164, 120612), (184, 107502), (228, 86756), (246, 80408), (276, 71668), (304, 65067), (328, 60306), (368, 53751), (437, 45264), (456, 43378), (492, 40204), (529, 37392), (552, 35834), (656, 30153), (779, 25392), (874, 22632), (912, 21689), (943, 20976), (984, 20102), (1058, 18696), (1104, 17917), (1311, 15088), (1558, 12696), (1587, 12464), (1748, 11316), (1886, 10488), (1968, 10051), (2116, 9348), (2337, 8464), (2622, 7544), (2829, 6992), (3116, 6348), (3174, 6232), (3496, 5658), (3772, 5244), (4232, 4674)]