19490428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{809}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 36061200

約数和(自身を除く): 16570772

約数列:

[1, 2, 4, 19, 38, 76, 317, 634, 809, 1268, 1618, 3236, 6023, 12046, 15371, 24092, 30742, 61484, 256453, 512906, 1025812, 4872607, 9745214, 19490428]

約数ペア:

[(1, 19490428), (2, 9745214), (4, 4872607), (19, 1025812), (38, 512906), (76, 256453), (317, 61484), (634, 30742), (809, 24092), (1268, 15371), (1618, 12046), (3236, 6023)]