19152928

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 40170816

約数和(自身を除く): 21017888

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 53, 92, 106, 184, 212, 368, 424, 491, 736, 848, 982, 1219, 1696, 1964, 2438, 3928, 4876, 7856, 9752, 11293, 15712, 19504, 22586, 26023, 39008, 45172, 52046, 90344, 104092, 180688, 208184, 361376, 416368, 598529, 832736, 1197058, 2394116, 4788232, 9576464, 19152928]

約数ペア:

[(1, 19152928), (2, 9576464), (4, 4788232), (8, 2394116), (16, 1197058), (23, 832736), (32, 598529), (46, 416368), (53, 361376), (92, 208184), (106, 180688), (184, 104092), (212, 90344), (368, 52046), (424, 45172), (491, 39008), (736, 26023), (848, 22586), (982, 19504), (1219, 15712), (1696, 11293), (1964, 9752), (2438, 7856), (3928, 4876)]